Air-Power Turbo Racer Slime & Putty Why You'll Love It

Why You'll Love It

plush backpack shaped like a uterus makes carrying essentials playful and approachable while inspiring curiosity about human anatomy

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Science of the Magical is “a sprightly survey” (The Wall Street Journal) and “a joy to read…highly recommended” (Library Journal

Air-Power Turbo Racer Slime & Putty Why You'll Love ItBuild your own lightning fast race car powered entirely by compressed airno batteries or electric motors needed! Simply use the integrated pump to compress air into the tank, then set your car down and watch it zoom away at speeds of up to 30 feet in just 2. 5 seconds (9 mph)! The innovative air powered engine works just like a combustion engine, minus the fossil fuels. Air from the tank pushes the piston forward, knocking against the valve and