How to build the mousetrap tractor First you need your materials.-Two small Records -1 mousetrap-1 ruler-1 wooden Squier-1 wooden block-4 pieces of duct tape-As many paperclips that are needed(depends on the size) -4 double 00 stoppers for test tubes You take one of the pieces of duct ...By: hsloan1
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from Instructables: exploring - technology - robots http://ift.tt/1APlvDr
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