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Spring Bots 3 in 1 Spring Powered Machines

Product Number: THK550038
$29.99

+ 3-in-1 engineering kit: build three self-powered models, then wind them up and watch them go!

+ Learn about potential and kinetic energy and how gears and springs function in different mechanical devices.

+ Race car drives up to 45 feet.

+ Robot walks on two legs, up to 20 inches.

+ Timer counts down from up to 6 minutes.

+ No batteries or electricity required

EXPECTED TO BE IN EARLY DECEMBER 

Quantity

+ 3-in-1 engineering kit: build three self-powered models, then wind them up and watch them go!

+ Learn about potential and kinetic energy and how gears and springs function in different mechanical devices.

+ Race car drives up to 45 feet.

+ Robot walks on two legs, up to 20 inches.

+ Timer counts down from up to 6 minutes.

+ No batteries or electricity required

EXPECTED TO BE IN EARLY DECEMBER 

THK550038

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