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$21.99
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Fly into physics fun with five models. Driven by an awesome rubber band powered propeller. Use ultralight plastic and bamboo parts. Build a helicopter, fan boat, airplane, car, and catamaran. Learn how the elastic material stores energy and then releases it to move the models. 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 8.25 in. Recommended Ages 8+
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