They'll appreciate the physics behind Adam and Jaime's experiments even more when they can create models with different gear ratios, try different style turbine blades, and even recharge batteries with this kit. MoreShop Black Friday deals all weekend long and get 20% off sitewide, plus save up to 70% on top gifts!
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TickleMe Plant-See Video!
A Plant that Moves when Tickled! Grows Indoors - Leaves Fold Up.