ThinkFunChallenge Catapult

For its construction 5 new pieces had been designed, which can be used to other sets too.
The mechanism works through a rubber band. Placed at different heights they modify the power of the catapult depending on the purpose to which it is triggered.
Finally, the chassis of the catapult its made by a simple box from our homes, in which we will have to make holes for the wheels and a big center hole for the lever.

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Para su construcción se han diseñado un total de 5 piezas nuevas que po