Geek & Co. Science! Rubber Band Racers
Make cars, race, boats motor, and planes fly with rubber ban power!
Build five model using ultralight parts and a rubber band powered engine.
What to Build five awesome rubber band powered models, learn how propeller push vehicles forward, and how rubber bands store energy? With this kit you can build an airplane, helicopter, fan car, air boat, and hydrofoil using a unique reversible propeller and ultralight parts.