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CLOSEOUT SALE! NOW $2.23 (WAS $4.45) WHILE SUPPLIES LAST
Rubberband-powered helicopter measures 11"x9-1/2". The propeller has adjustable pitch for testing lift by changing the pitch. Assembly required. Sold to educators only.
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All prices are in USD. Registered Trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Hands-On Science®, Build A Better Mousetrap Racer®, Rat Racer®, And the Winner Is…®, New Standards®, and SUMO Car Wrestler®.|