Fun Physics: 10 STEM Projects That Teach Basic Physics Concepts

Transform learning into an exciting experience with these physics STEM projects for kids!

As a toy brand, training institution, activity organizer, distributor, wholesaler, or gift and toy importer, you are always on the lookout for innovative and engaging ways to captivate the interest of children. Panda Crafty offers customized solutions, all-in-one sourcing, logistic support, and collaborative DIY product development. In this blog post, we present 10 engaging physics STEM projects that promote problem-solving, critical thinking, and creativity in children. We also provide insights on essential components and materials for each project, ensuring a seamless experience for your organization.

1. Roller Coaster Challenge

Key components: Paper, straws, tape

Design a roller coaster that incorporates loops, jumps, and twists using only paper, straws, and tape. This project demonstrates the basics of gravitational potential energy and kinetic energy. Ensure that the straws are flexible and durable to withstand the twists and turns of the roller coaster.

2. Catapult Launchers

Key components: Popsicle sticks, rubber bands, plastic spoon

Build a simple catapult using popsicle sticks, rubber bands, and a plastic spoon. Explore concepts like force, tension, and projectile motion while launching small objects like marshmallows or pom-poms. Choose strong rubber bands to provide sufficient tension and power for the catapult.

3. Balloon-Powered Cars

Key components: Balloons, cardboard, straws, bottle caps or wheels

Construct a car powered by a balloon to understand Newton’s third law of motion. Experiment with different car designs, balloon sizes, and surfaces to see how they impact the car’s performance. Opt for lightweight materials for the car’s body and wheels with low friction for optimal results.

4. Magnetic Maze

Key components: Cardboard box, magnetic tape, marbles, magnet

Create a maze using a cardboard box, magnetic tape, and marbles. By moving a magnet below the box, guide the marble through the maze while learning about magnetic fields and forces. Ensure that the magnetic tape is strong enough to control the marble’s movement effectively.

5. Egg Drop Challenge

Key components: Eggs, various cushioning materials (e.g., bubble wrap, cotton balls, foam), tape

Design a contraption to protect an egg from breaking when dropped from a specific height. This project showcases concepts like gravity, air resistance, and impact force. Provide a range of cushioning materials to encourage experimentation and creativity.

6. Paper Helicopters

Key components: Paper, paper clips, scissors

Craft paper helicopters and investigate how variables like wing length and shape affect flight patterns. Introduce concepts like lift, drag, and air resistance in a fun and hands-on way. Opt for sturdy, lightweight paper for better performance.

7. The Archimedes Screw

Key components: Plastic bottle, PVC pipe, duct tape

Recreate the ancient Archimedes Screw using a plastic bottle, PVC pipe, and duct tape. Explore the principles of mechanical advantage and fluid dynamics in this fascinating project. Ensure that the PVC pipe and plastic bottle are cut cleanly to avoid leaks or obstructions.

8. Straw Bridges

Key components: Straws, tape, paper clips

Engineer a bridge using straws, tape, and paper clips. Challenge kids to build the strongest and longest bridge while learning about structural integrity, load distribution, and tension. Select straws with good tensile strength to support the bridge’s structure.

9. Cartesian Divers

Key components: Small plastic bottle, drinking straw, paper clip, water

Create a Cartesian diver using a

small plastic bottle, a drinking straw, and a paper clip. Dive into the world of buoyancy, air pressure, and density with this exciting underwater experiment. Ensure the plastic bottle has a tight seal to maintain proper air pressure for the diver’s functionality.

10. Rube Goldberg Machines

Key components: Everyday household items (e.g., dominoes, marbles, books, toy cars, ramps)

Inspire creativity by building a Rube Goldberg machine from everyday household items. These elaborate contraptions encourage children to think critically and problem-solve while introducing them to the basics of mechanical energy and chain reactions. Provide a variety of objects with different shapes, sizes, and functions to stimulate creativity and exploration.


These physics STEM projects provide hands-on learning experiences for children, promoting problem-solving, critical thinking, and creativity. With Panda Crafty’s advantages of customized solutions, all-in-one sourcing, logistic support, and collaborative DIY product development, your organization can easily offer these engaging activities to your target audience. Spark curiosity and ignite a passion for learning with these physics-themed STEM projects today! Remember to pay attention to the key components for each project to ensure a successful and enjoyable experience.

Panda Crafty
Panda Crafty

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