Rubber Band Racers valentines Let your child inner inventor

Let your child inner inventor out of the box and let them build a cool little city for passengers and cargo to move through

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and a Cherry

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The perfect gift for Bartholomew Bear fans

Rubber Band Racers valentines Let your child inner inventorFly into physics fun with five awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo parts, build a helicopter, airboat, airplane, fan car, and hydrofoil. Learn how the elastic material stores energy and then releases it to move the models. Product Information Ages: 8+ Experiments: 5 Piece Count: 72 Manual Pages: 16 Product Dimensions: 8. 75 x 11 x 1. 7 in. Product Weight: 0. 5 lbs Manual Dimensions: 5. 5 x 8.