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Lego Toothbrush Battle: Worlds Largest vs $2,000 Robot

Let's Find Out Which Toothbrush Will Clean My Stained Teeth Better!? A $2,000 Lego Robot vs. The Worlds Largest Electric Lego ...
Southeast Missourian

Hooked on Science: Toothbrush robot

Build a robot with a few items from around the house. 7.5VDC micro super high-speed motor Toothbrush Double-sided foam tape Wire cutters Button/coin-cell battery Electric tape STEP 1: Using wire ...