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Thames & Kosmos SpringBots 3 in 1 Spring Powered Machines

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29.99 Excl. tax

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 Build a motorized robot, race car, and countdown timer, all that run without any batteries or electrical power! The secret behind these fascinating machines is a power source called a mainspring, a spiral-shaped spring that stores up energy when wound u...

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Product description

The newest building science kit from Thames & Kosmos runs on pure energy!  Build a motorized robot, race car, and countdown timer, all that run without any batteries or electrical power!

In detail:  The secret behind these fascinating machines is a power source called a mainspring, a spiral-shaped spring that stores up energy when wound up by hand, and then converts that stored energy back into motion when it discharges. The mainspring inside the robot turns gears which enable it to march forward on two legs. The race car zooms across the floor as its mainspring uncoils and turns its wheels. The countdown timer uses a more complex system of springs, gears, ratchets, and linkages to slowly tick down the seconds as it discharges, for a countdown of up to six minutes.

Assemble these models one at a time from by using parts from the 130 in the kit.   You will learn about inner workings of spring-powered devices like wind-up toys and more.  Easy, snap-together assembly requires no glue.

We suggest for ages 9 and up.

 

 

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