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SMARTLAB: You Control It - Skeletal Hand (Smart Lab)
SMARTLAB You Control It Skeletal Hand - Smart Lab Author:Melissa Stewart Snap the hand together and take hold with ?exing ?ngers and opposable thumb! This pull-trigger skeletal hand works like a human hand but without skin blocking the view, it's far more entertaining! Experiments and comparisons offer a ?rst-hand look at how we grip, grab, and grasp and that's just the beginning. Lefty or righty, it's handled here!