STEM Activities for Kids: 45+ Fun, Easy & Educational Projects That Inspire Young Minds (2026 Guide)

By Aina Arif | Updated July 2026 | 15 min read

STEM activities are one of the best ways to help children learn through play. Instead of memorizing facts from books, kids explore, build, test ideas, solve problems, and discover how the world works. Whether your child loves science experiments, building towers, coding games, or creative engineering challenges, STEM learning encourages curiosity while making education exciting.

The best part? Most STEM activities require only simple household materials, making them affordable for parents and easy for teachers to use in classrooms.

In this complete guide, you’ll discover 45+ engaging STEM activities for kids suitable for preschoolers, elementary students, and older children. Every activity includes materials, instructions, and the learning skills children develop.

What Does STEM Mean?

STEM stands for:

• S — Science
• T — Technology
• E — Engineering
• M — Mathematics

Instead of teaching these subjects separately, STEM combines them into hands-on activities that encourage children to think critically, ask questions, experiment, and solve real-life problems.

For example, when children build a bridge from popsicle sticks, they use:

• Science to understand forces
• Engineering to design the structure
• Math to measure pieces
• Technology if they use digital design tools

This integrated learning approach prepares children for future careers while improving everyday problem-solving skills.

Why Are STEM Activities Important?

Children naturally love exploring. STEM activities transform that curiosity into meaningful learning experiences.

Benefits include:

• Improves critical thinking
• Encourages creativity
• Develops problem-solving skills
• Builds confidence
• Improves teamwork
• Strengthens math skills
• Makes science fun
• Develops communication skills
• Encourages independent learning
• Reduces screen time through hands-on play

Research consistently shows that children remember concepts better when they actively participate instead of simply reading or listening.

STEM Activities by Age

Age	Best Activities
3–5 Years	Color mixing, sink or float, building blocks
5–7 Years	Balloon rockets, paper bridges, slime science
8–10 Years	Coding games, egg drop challenge, circuits
11–14 Years	Robotics, engineering projects, advanced experiments

Remember that every child learns differently. Choose activities based on interest rather than age alone.

Activity 1: Rainbow Walking Water Experiment

Age

4–10 years

Materials

• 6 clear cups
• Water
• Paper towels
• Red, yellow, and blue food coloring

Instructions

1. Fill alternate cups with colored water.
2. Leave the cups in between empty.
3. Fold paper towels into strips.
4. Place paper towels connecting each cup.
5. Wait several hours.

What Happens?

The water travels through the paper towels because of capillary action, eventually filling the empty cups and mixing colors to create a rainbow.

STEM Skills

• Science
• Observation
• Prediction
• Color theory

Activity 2: Balloon Rocket

5

Age

5–10 years

Materials

• Balloon
• Straw
• Tape
• Long string

Instructions

1. Thread the string through the straw.
2. Tie the string tightly.
3. Inflate the balloon without tying it.
4. Tape the balloon to the straw.
5. Release it.

What Children Learn

The escaping air pushes the balloon forward, demonstrating Newton’s Third Law of Motion.

STEM Skills

• Physics
• Engineering
• Scientific observation

Activity 3: Build the Strongest Paper Bridge

Age

6–12 years

Materials

• Printer paper
• Books
• Coins

Instructions

Challenge children to build a paper bridge that can hold the most coins without collapsing.

Try:

• Folding paper
• Rolling paper
• Accordion folds
• Layering

Discussion Questions

• Which design was strongest?
• Why did one bridge fail?
• How can we improve it?

Skills Developed

• Engineering
• Problem solving
• Design thinking

Activity 4: Sink or Float Investigation

Age

3–7 years

Materials

• Bucket of water
• Spoon
• Coin
• Leaf
• Toy car
• Plastic bottle cap
• Sponge

Instructions

Ask children to predict whether each object will sink or float before testing.

Record predictions in a chart.

STEM Skills

• Scientific method
• Observation
• Data recording

Activity 5: DIY Lava Lamp

Age

5–12 years

Materials

• Clear bottle
• Vegetable oil
• Water
• Food coloring
• Effervescent tablet

Instructions

1. Fill most of the bottle with oil.
2. Add water.
3. Add food coloring.
4. Drop in the tablet.
5. Watch colorful bubbles rise and fall.

STEM Concept

Oil and water have different densities, and the tablet creates carbon dioxide bubbles.

Activity 6: Build a Marshmallow Tower

Age

6–12 years

Materials

• Marshmallows
• Toothpicks

Challenge

Build the tallest free-standing tower possible in 15 minutes.

Learning Goals

• Engineering
• Teamwork
• Structural design
• Creativity

Activity 7: Static Electricity Butterfly

Age

5–10 years

Materials

• Tissue paper butterfly
• Balloon
• Wool cloth

Instructions

Rub the balloon on hair or wool and hold it near the butterfly.

Watch it move without touching.

STEM Lesson

Children learn about static electricity and electric charges.

Activity 8: Egg Drop Challenge

Age

8–14 years

Materials

• Egg
• Cardboard
• Cotton
• Tape
• Straws
• Paper

Challenge

Design a protective container that keeps the egg from breaking when dropped.

Ask Kids

• What absorbed the impact?
• Which design worked best?
• How would you improve it?

Skills

• Engineering
• Critical thinking
• Testing
• Redesigning

Activity 9: Homemade Compass

A homemade compass is an exciting way to teach children how magnets work and how people found directions before GPS.

Best Age: 6–12 years

Materials

• Sewing needle
• Small magnet
• Small bowl
• Water
• Piece of cork or foam

Instructions

Rub the needle with the magnet in the same direction about 40–50 times. Place the needle carefully on the cork and let it float in the bowl of water. After a few moments, the needle will turn and point north and south.

What Kids Learn

Children discover how Earth’s magnetic field works and why compasses always point in the same direction.

STEM Skills

• Science
• Observation
• Geography
• Critical thinking

Activity 10: Dancing Raisins Experiment

This simple experiment surprises children while teaching an important science concept.

Best Age: 5–10 years

Materials

• Clear glass
• Carbonated water
• Raisins

Instructions

Fill a glass with carbonated water and drop several raisins inside. Watch as they sink, rise, and dance around the glass.

How It Works

Tiny carbon dioxide bubbles stick to the raisins, making them float. When the bubbles pop at the surface, the raisins sink again, creating the dancing effect.

Learning Outcome

Children understand how gases affect buoyancy and density.

Activity 11: Build a Lemon Battery

Turn ordinary lemons into a mini power source.

Best Age: 8–14 years

Materials

• 3–4 lemons
• Copper coins or copper strips
• Zinc nails
• Small LED light
• Connecting wires

Instructions

Roll each lemon gently to release the juice. Insert one copper strip and one zinc nail into each lemon without letting them touch. Connect the lemons in a series using wires and attach the LED.

What Happens

The acid inside the lemons reacts with the metals to create a small electrical current.

Skills Developed

• Electricity
• Chemistry
• Engineering
• Problem-solving

Activity 12: Design a Straw Roller Coaster

Children become engineers while designing a marble track.

Best Age: 7–12 years

Materials

• Drinking straws
• Tape
• Cardboard
• Marbles

Instructions

Tape the straws onto cardboard to create twists, turns, loops, and slopes. Test different designs to see which allows the marble to travel the farthest without stopping.

Encourage children to redesign their track after each test.

Learning Outcome

Kids explore gravity, speed, friction, and engineering design

Activity 13: DIY Water Filter

Teach children about clean water and filtration.

Best Age: 7–13 years

Materials

• Plastic bottle
• Cotton balls
• Sand
• Gravel
• Small stones
• Dirty water

Instructions

Cut the bottle in half and turn the top upside down like a funnel. Add cotton, sand, gravel, and stones in layers. Slowly pour dirty water through the filter and observe the results.

Important Note

The filtered water is not safe to drink. This activity only demonstrates how filtration removes visible particles.

Learning Outcome

Children understand one of the basic steps used in water treatment.

Activity 14: Invisible Ink Science

Secret messages make science feel magical.

Best Age: 6–12 years

Materials

• Lemon juice
• Cotton swab
• White paper
• Lamp or hair dryer (adult supervision)

Instructions

Dip the cotton swab into lemon juice and write a secret message on white paper. Allow it to dry completely. Carefully warm the paper until the writing becomes visible.

Science Behind It

Lemon juice oxidizes faster than paper when heated, causing the hidden writing to turn brown.

Activity 15: Rubber Band Powered Car

This engineering challenge combines creativity with physics.

Best Age: 8–14 years

Materials

• Cardboard
• Bottle caps
• Wooden skewers
• Rubber band
• Tape

Instructions

Build a simple four-wheel car using cardboard and bottle caps. Attach a rubber band to the rear axle. Twist the axle to wind the rubber band, then release it.

Measure how far the car travels and try different designs to improve the distance.

Skills Learned

• Mechanical energy
• Motion
• Engineering design
• Testing and improving

Activity 16: Build the Tallest Cup Tower

A simple challenge that develops engineering and teamwork skills.

Best Age: 5–12 years

Materials

• Plastic or paper cups
• Flat surface

Instructions

Challenge children to build the tallest tower possible using only cups. Set a time limit of 10 minutes.

Afterward, discuss why some towers remained stable while others collapsed.

Learning Outcome

Children learn about balance, center of gravity, and structural stability while practicing problem-solving and creative thinking.

Activity 17: Balloon-Powered Boat

This exciting STEM activity teaches children how air pressure creates movement while encouraging creativity and engineering skills.

Best Age: 6–12 years

Materials

• Plastic bottle or foam tray
• Balloon
• Straw
• Tape
• Water tub

Instructions

Attach the straw securely to the balloon with tape. Fix the balloon onto the boat so the straw points backward. Inflate the balloon without tying it, place the boat in water, and release the air.

What Kids Learn

As air rushes out of the balloon, it pushes the boat forward. This demonstrates Newton’s Third Law of Motion, showing that every action has an equal and opposite reaction.

STEM Skills

• Physics
• Engineering
• Observation
• Problem-solving

Activity 18: Magnetic Maze Challenge

Children use magnetism to guide an object through a maze without touching it.

Best Age: 5–10 years

Materials

• Cardboard
• Marker
• Paper clip
• Small magnet

Instructions

Draw a maze on cardboard and place a paper clip at the starting point. Hold the magnet underneath the cardboard and move it carefully to guide the paper clip through the maze until it reaches the finish line.

Try making different maze designs with curves, dead ends, and obstacles.

Learning Outcome

Children discover how magnetic forces work through non-contact interaction while improving focus and hand-eye coordination.

Activity 19: Baking Soda Rocket

This outdoor experiment combines chemistry with engineering.

Best Age: 7–14 years

Materials

• Small plastic bottle
• Baking soda
• Vinegar
• Tissue paper
• Cork or rocket cap

Instructions

Wrap baking soda in tissue paper and pour vinegar into the bottle. Drop the baking soda packet inside, quickly seal the bottle, place it upside down on the ground, and step back.

Within seconds, the rocket launches into the air.

Science Behind It

The reaction between vinegar and baking soda creates carbon dioxide gas. As pressure builds inside the bottle, it eventually forces the cork out, launching the rocket upward.

Safety Tip

Always perform this activity outdoors with adult supervision.

Activity 20: Build a DIY Weather Station

Help children become junior meteorologists by observing daily weather conditions.

Best Age: 7–14 years

Materials

• Notebook
• Thermometer
• Rain gauge
• Wind vane (homemade or purchased)

Instructions

Record the temperature, rainfall, wind direction, and cloud conditions each day for two weeks. Encourage children to identify weather patterns and compare sunny, rainy, and windy days.

Learning Outcome

Kids develop observation skills while learning about weather forecasting, climate, and data collection.

Activity 21: Floating Paper Clip Experiment

This activity introduces children to the fascinating concept of surface tension.

Best Age: 6–11 years

Materials

• Bowl of water
• Paper clip
• Tissue paper

Instructions

Place a small piece of tissue paper on the surface of the water. Carefully set the paper clip on top of the tissue. As the tissue absorbs water and sinks, the paper clip remains floating.

Add one drop of dish soap to the water and observe what happens.

Science Behind It

Surface tension creates a thin layer on top of the water that can support lightweight objects. Soap breaks this surface tension, causing the paper clip to sink.

Activity 22: Simple Pulley System

Discover how simple machines make lifting objects easier.

Best Age: 8–14 years

Materials

• Rope
• Small bucket
• Pulley wheel
• Hook
• Small objects for weight

Instructions

Attach the pulley securely to a support. Thread the rope through the wheel and connect the bucket. Lift different objects while comparing the effort required with and without the pulley.

Learning Outcome

Children understand how pulleys reduce the force needed to lift heavy objects.

STEM Skills

• Engineering
• Physics
• Mechanical systems

Activity 23: Grow Colorful Salt Crystals

Crystal growing is one of the most rewarding STEM projects because children can watch science happen over several days.

Best Age: 7–13 years

Materials

• Warm water
• Table salt
• Glass jar
• String
• Pencil
• Food coloring (optional)

Instructions

Mix salt into warm water until no more dissolves. Tie one end of the string to a pencil and suspend the string into the solution without touching the bottom of the jar. Leave it undisturbed for several days.

Observe crystal growth each day and record changes.

Science Concept

As water evaporates, dissolved salt particles join together to form crystals.

Activity 24: Coding Without a Computer

Coding doesn’t always require screens. This unplugged activity teaches programming logic through movement.

Best Age: 5–10 years

Materials

• Index cards
• Marker
• Small toy

Instructions

Write simple commands such as:

• Move forward
• Turn left
• Turn right
• Pick up
• Stop

Arrange the cards to create a sequence that guides a toy through an obstacle course. Encourage children to debug their instructions if the toy doesn’t reach the goal.

Learning Outcome

Children develop computational thinking, sequencing, logical reasoning, and problem-solving skills while understanding the basics of coding without using technology.

Activity 25: Build a Popsicle Stick Catapult

Children love launching soft objects while learning about force, energy, and motion.

Best Age: 7–12 years

Materials

• 8–10 popsicle sticks
• Rubber bands
• Plastic spoon
• Pom-poms or mini marshmallows

Instructions

Stack several popsicle sticks together and secure them with rubber bands. Attach two sticks together at one end to create a lever, then insert the stack between them. Tape a plastic spoon to the top stick and launch soft objects by pressing down on the spoon.

Challenge children to adjust the design and see which version launches objects the farthest.

What Kids Learn

This activity demonstrates how stored potential energy changes into kinetic energy while introducing the concept of levers.

Activity 26: Create a Homemade Sundial

Long before clocks existed, people used the Sun to tell time. This activity introduces children to ancient science and astronomy.

Best Age: 6–12 years

Materials

• Paper plate
• Pencil
• Marker
• Compass (optional)

Instructions

Push the pencil through the center of the paper plate so it stands upright. Place the sundial outside in a sunny location. Every hour, mark where the pencil’s shadow falls and write the corresponding time.

Compare the sundial with a real clock throughout the day.

Learning Outcome

Children explore Earth’s rotation, sunlight, shadows, and the history of timekeeping.

Activity 27: Build a Parachute

Designing a parachute helps children understand gravity and air resistance through experimentation.

Best Age: 5–10 years

Materials

• Plastic shopping bag or tissue paper
• String
• Tape
• Small toy

Instructions

Cut a square from the plastic bag and attach four equal-length strings to each corner. Tie the strings to the toy and drop it from a safe height.

Experiment with different parachute sizes to discover which one falls the slowest.

What Kids Learn

Children investigate how air resistance slows falling objects and why parachutes keep people safe.

Activity 28: Make Oobleck

Oobleck is a fascinating material that behaves like both a liquid and a solid.

Best Age: 4–10 years

Materials

• Cornstarch
• Water
• Large bowl
• Food coloring (optional)

Instructions

Mix about two cups of cornstarch with one cup of water until a thick mixture forms. Add food coloring if desired.

Encourage children to squeeze it quickly, then slowly let it drip through their fingers.

Science Behind It

Oobleck is a non-Newtonian fluid. It becomes firm when pressure is applied but flows like a liquid when left undisturbed.

Activity 29: Build a Paper Helicopter

Children discover how air slows falling objects with this simple engineering activity.

Best Age: 6–11 years

Materials

• Paper
• Scissors
• Paper clip

Instructions

Cut a paper helicopter template with two blades at the top. Fold the blades in opposite directions and attach a paper clip to the bottom for weight.

Drop it from different heights and observe how it spins toward the ground.

Try changing the blade length and compare the results.

Learning Outcome

Kids explore gravity, lift, air resistance, and design improvements.

Activity 30: Ice Melting Investigation

This hands-on experiment encourages children to think like scientists by making predictions and recording observations.

Best Age: 4–9 years

Materials

• Ice cubes
• Salt
• Sugar
• Warm water
• Cold water
• Small bowls

Instructions

Place an ice cube in each bowl. Add different substances or temperatures to each one and predict which ice cube will melt first.

Record the melting times and compare the results.

What Kids Learn

Children understand how temperature and different materials affect melting speed.

Activity 31: Build a Marshmallow Launcher

This fun engineering challenge encourages creativity while teaching force and motion.

Best Age: 8–13 years

Materials

• Plastic cup
• Balloon
• Tape
• Mini marshmallows

Instructions

Cut the bottom from the cup and stretch a balloon over the opening. Secure it tightly with tape. Place a marshmallow inside the cup, pull back the balloon, and release.

Measure how far each marshmallow travels and test different launch angles.

Learning Outcome

Children learn about stored energy, projectile motion, and scientific testing.

Activity 32: Create a Nature Engineering Challenge

Nature provides endless materials for creative STEM learning.

Best Age: 5–12 years

Materials

• Leaves
• Twigs
• Small stones
• Pinecones
• Grass
• String (optional)

Instructions

Ask children to collect natural materials and build one of the following:

• A tiny bridge
• A miniature house
• A tower
• An animal shelter
• A boat

After building, test the strength and stability of each design. Discuss what worked well and what could be improved.

What Kids Learn

This activity combines engineering, creativity, environmental awareness, and problem-solving while encouraging children to explore the natural world.

Activity 33: Build a Toothpick Bridge

Can a bridge made from simple toothpicks hold weight? This engineering challenge encourages children to think creatively while learning about structural design.

Best Age: 8–14 years

Materials

• Toothpicks
• Glue
• Cardboard
• Coins or small weights

Instructions

Sketch a bridge design before building. Glue the toothpicks together and allow the structure to dry completely. Once finished, place the bridge between two supports and slowly add coins until it bends or breaks.

Discuss which bridge design supported the most weight and why.

What Kids Learn

Children discover how shapes such as triangles increase strength and stability in engineering structures.

Activity 34: DIY Rain Cloud in a Jar

This colorful experiment helps children understand how rain forms in the atmosphere.

Best Age: 5–10 years

Materials

• Clear glass jar
• Water
• Shaving cream
• Blue food coloring
• Dropper

Instructions

Fill the jar about three-quarters full with water. Add a thick layer of shaving cream on top to represent clouds. Slowly drop blue food coloring onto the shaving cream using a dropper.

Watch as the color gradually passes through the shaving cream and falls into the water like rain.

Science Behind It

The shaving cream acts as a cloud. When it becomes saturated with “water,” the liquid falls through, just as rain falls from real clouds.

Activity 35: Create a Simple Solar Oven

Harness the power of sunlight with this renewable energy experiment.

Best Age: 8–14 years

Materials

• Pizza box
• Aluminum foil
• Plastic wrap
• Black construction paper
• Tape

Instructions

Cut a flap in the lid of the pizza box and cover the inside with aluminum foil. Line the bottom of the box with black paper and seal the opening with plastic wrap. Place the oven in direct sunlight and warm simple foods like chocolate or marshmallows.

Learning Outcome

Children learn how solar energy is converted into heat and why dark surfaces absorb more sunlight.

Activity 36: Build a Wind-Powered Pinwheel

Explore renewable energy while creating a colorful spinning toy.

Best Age: 4–9 years

Materials

• Square sheet of paper
• Pencil with eraser
• Push pin
• Scissors

Instructions

Cut diagonally from each corner toward the center without cutting all the way through. Fold every other corner into the center and secure them with a push pin attached to the pencil.

Take the pinwheel outside on a windy day or blow on it to make it spin.

What Kids Learn

Children observe how moving air transfers energy to create motion.

Activity 37: Walking Water Color Challenge

Expand the classic walking water experiment by encouraging prediction and investigation.

Best Age: 5–10 years

Materials

• Seven clear cups
• Water
• Paper towels
• Food coloring

Instructions

Fill alternate cups with colored water and leave the remaining cups empty. Connect each cup using folded paper towels.

Before the colors begin mixing, ask children to predict the new colors that will appear in the empty cups. Compare predictions with the final results.

Learning Outcome

Children explore capillary action, color mixing, observation, and scientific prediction.

Activity 38: Make a Balloon Hovercraft

This exciting activity demonstrates how air reduces friction.

Best Age: 7–12 years

Materials

• Old CD or sturdy cardboard circle
• Balloon
• Bottle cap with pull-top opening
• Glue

Instructions

Glue the bottle cap to the center of the CD or cardboard. Inflate the balloon, stretch it over the bottle cap, and place the hovercraft on a smooth table. Open the cap to release the air.

Watch the hovercraft glide across the surface with very little effort.

Science Behind It

Escaping air forms a thin cushion beneath the hovercraft, reducing friction and allowing it to move easily.

Activity 39: Shadow Tracking Investigation

Help children understand how the Sun appears to move across the sky.

Best Age: 6–12 years

Materials

• Stick
• Chalk
• Notebook

Instructions

Place a stick upright in the ground or secure it in a container. Every hour, trace the shadow with chalk and label the time.

Compare the shadow’s direction and length throughout the day.

What Kids Learn

Children discover how Earth’s rotation changes the position and length of shadows over time.

Activity 40: Build a Mini Earthquake Simulator

Introduce children to earthquake engineering with a hands-on building challenge.

Best Age: 8–14 years

Materials

• Cardboard
• Rubber bands
• Marbles
• Building blocks

Instructions

Place marbles between two pieces of cardboard to create a movable platform. Build a tower using blocks on top of the platform, then gently shake it to simulate an earthquake.

Challenge children to redesign their towers to make them stronger and more stable.

Learning Outcome

This activity teaches structural engineering, balance, and how engineers design earthquake-resistant buildings.

Activity 41: Build a Mini Water Wheel

Discover how flowing water can produce movement and introduce children to the basics of renewable energy.

Best Age: 7–13 years

Materials

• Paper plates
• Plastic spoons
• Wooden skewer
• Glue
• Large bowl or sink
• Water

Instructions

Glue the plastic spoons evenly around the edge of a paper plate. Insert the wooden skewer through the center so the wheel can spin freely. Hold the water wheel under a gentle stream of water or slowly pour water over it and observe how it rotates.

Try changing the amount of water or the spoon placement to see how it affects the speed.

What Kids Learn

Children explore energy transfer, renewable energy, and how water wheels have been used to power machines for centuries.

Activity 42: Make a DIY Balance Scale

This activity introduces children to measurement, comparison, and basic mathematical concepts.

Best Age: 5–10 years

Materials

• Plastic hanger
• Two paper cups
• String
• Hole punch
• Small classroom objects

Instructions

Punch two holes near the top of each paper cup and attach them to both sides of the hanger using equal lengths of string. Hang the balance scale where it can move freely.

Place different objects in each cup and compare their weights. Ask children to predict which side will be heavier before testing.

Learning Outcome

Children develop an understanding of weight, mass, estimation, and comparison while practicing observation skills.

Activity 43: Design a Paper Airplane Challenge

Paper airplanes are an excellent way to explore aerodynamics through hands-on learning.

Best Age: 6–12 years

Materials

• Printer paper
• Measuring tape
• Notebook

Instructions

Fold several paper airplanes using different designs. Fly each airplane three times and measure the distance traveled. Record the results and compare which design performs best.

Encourage children to make small changes to the wings or nose and test again.

What Kids Learn

This activity teaches lift, drag, thrust, gravity, and the importance of testing and improving designs.

Activity 44: Build a Tower That Can Hold a Book

This engineering challenge encourages children to think creatively while working with limited materials.

Best Age: 7–13 years

Materials

• Newspaper
• Tape
• Scissors
• One hardcover book

Instructions

Challenge children to build the tallest tower possible using only newspaper and tape. Once the tower is complete, carefully place a book on top to test its strength.

Discuss which shapes and building techniques made the tower stronger.

Learning Outcome

Children learn about structural engineering, load distribution, stability, and creative problem-solving.

Activity 45: Create Your Own STEM Invention Challenge

End the STEM journey by encouraging children to invent something completely original using the skills they have learned.

Best Age: 8–14 years

Materials

• Cardboard
• Plastic bottles
• Bottle caps
• Craft sticks
• Rubber bands
• String
• Glue
• Recycled household materials

Instructions

Ask children to identify a simple everyday problem, such as organizing school supplies or watering a plant. Challenge them to design and build an invention that solves the problem using recycled materials.

After building, have them explain:

• What problem does the invention solve?
• How does it work?
• What STEM concepts were used?
• How could the design be improved?

Encourage children to test their invention, gather feedback, and make improvements based on what they learn.

What Kids Learn

This open-ended project combines science, technology, engineering, and mathematics into one creative experience. It strengthens critical thinking, innovation, communication, teamwork, and confidence while showing children that STEM is about solving real-world problems through imagination and experimentation.