Fun and Easy STEM Projects for Kids

Original DIY designs from truss bridges to rubber band race cars, helicopters and rockets.

 

Explore 30 cool projects or browse by category.

Vehicle Rubber Band Car thumb.png

A high-performing rubber band-powered car design. Big wheels provide traction and distance.

Suggested ages: 9+

Fly Helicopter thumb.png

Powered by rubber bands, this helicopter is easy to build and can fly straight up over 20ft.

Suggested ages: 7+

Vehicle Slingshot Car thumb.png

Simple to build with a big payoff, the slingshot car zips across the floor surprisingly fast.

Suggested ages: 7+

Hydraulic Simple thumb.png

Build a simply hydraulic mechanism, then customize its function however you'd like.

Suggested ages: 9+

Vehicle propeller car thumb.png

This rubber band-powered propeller car design is optimized for speed and distance.

Suggested ages: 9+

Structure bridge thumb.png

Stronger than a square-shaped bridge, this truss bridge design will hold extremely heavy loads.

Suggested ages: 9+

Fly Slingshot Rocket.png

Simple and cheap to build, yet slingshot straw rockets can be launched well over 75ft.

Suggested ages: 7+

Gadget roller coaster thumb.png

Experiment with the science of momentum, potential energy, and conservation of energy.

Suggested ages: 5+

Hydraulic bridge thumb.png

Create a hydraulic-powered lift, then design and build a truss bridge to activate.

Suggested ages: 11+

Vehicle Mousetrap Car thumb.png

A classic mousetrap car design. Create the car, then use math to predict the distance it will go.

Suggested ages: 11+

Launcher Bow thumb.png

A kid favorite, the craft stick bow and arrow is fun to build and exciting to play with.

Suggested ages: 9+

Hydraulic box thumb.png

Engineer a hydraulic-powered box project for kids to store their small possessions.

Suggested ages: 11+

Launcher Class 3 catapult.png

This rubber band-powered catapult is a fun way to show what a class 3 lever is.

Suggested ages: 9+

Launcher slingshot thumb.png

Truss supports and rubber band power enable this durable slingshot design to shoot far.

Suggested ages: 9+

Launcher Class 1 thumb.png

This push-powered catapult is an exciting way to teach the concept of a class 1 lever.

Suggested ages: 9+

Hydraulic judobot thumb.png

Create a custom hydraulic-powered robot project, then compete in a judo-like competition.

Suggested ages: 11+

Gadget spinner thumb.png

A quirky project, the pull-string spinner shows kids the concept of angular momentum.

Suggested ages: 9+

Structure tornado tower thumb.png

Build a strong tower comprised of trusses, then test its strength and stability.

Suggested ages: 9+

Vehicle gliding car thumb.png

Use the science of aerodynamics to create a car that can gently glide to the floor.

Suggested ages: 7+

Vehicle Zipline racer thumb.png

This simple propeller-powered invention zips along a taut string at remarkable speeds.

Suggested ages: 9+

Pyramid Slingshot thumb.png

Inspired by the 'viking catapult,' this design is simple yet strong due to the pyramid structure.

Suggested ages: 7+

Vehicle carsh car thumb.png

Better than the egg drop challenge: Engineer a car that keeps an egg safe in a collision.

Suggested ages: 7+

Launcher pyramid thumb.png

A simpler catapult that doesn't require hot glue, yet it can fire far and get kids excited.

Suggested ages: +7

Launcher trigger launcher thumb.png

A kid favorite, the trigger launcher is easy to customize and a blast to use.

Suggested ages: 7+

Vehicle Sail Car thumb.png

Create a lightweight car that's easy to build and powered by the wind.

Suggested ages: 7+

Hydraulic pneumatic thumb.png

Experiment with the science of pneumatics (air pressure-power) to create a powered lift.

Suggested ages: 7+

Gadget Mechanical hand thumb.png

Engineer a mechanical hand, then test different designs until it can pick up anything.

Suggested ages: 11+

Structure Geo Shapes.png

Transform basic geometric shapes into more complex 3-dimensional forms.

Suggested ages: 5+

DIY Robots

RobotWalkBotThumb.png

Explore our Etsy shop of original robot kits made from laser cut wood and simple electronics.

Suggested ages: 11+

gadget mini projects thumb.png

Keep these 3 quick and easy  engineering activities on hand to fill out extra class time.

Suggested ages: 5+

© 2019 STEM Inventions