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Coca-Cola cranky cutter the best toy ever

Coca Cola Cranky Cutter For this project you need 2 coca cola cans, piece of cardboard, wire pieces, ping pong ball and ...
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How to make hydraulic powered robotic arm from cardboard

How to Make Hydraulic Powered Robotic Arm from Cardboard In this video I show you how to make robotic arm from cardboard, ...