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CLOSEOUT SALE! NOW $3.50 (WAS $6.95) WHILE SUPPLIES LAST
Design and build a dragster with power from gears and a swing friction motor. Attach wheels and watch your dragster go!
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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®.|