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Rubber Band Helicopter
Powered by rubber bands, this helicopter is easy to build and can fly straight up over 20ft.
Suggested ages: 7+
Science Fair Experiment Guide
Propeller Powered Car
This rubber band-powered propeller car design is optimized for speed and distance.
Suggested ages: 9+
Rubber Band Car
A high-performing rubber band-powered car design. Big wheels provide traction and distance.
Triangle Truss Bridge
Stronger than a square-shaped bridge, this truss bridge design will hold extremely heavy loads.
Simple to build with a big payoff, the slingshot car zips across the floor surprisingly fast.
Easy Hydraulic Machine
Build a simply hydraulic mechanism, then customize its function however you'd like.