Techno Gears Marble Mania Accelerator Kids can use over 400 colorful pieces to create their own thrill ride with the Techno Gears Marble Mania Accelerator. The marble launcher will propel marbles through the giant marble loop and into a series of twisting and turning roller coaster tracks. The set includes multiple channels, 3-D connectors and structures, a power lifter, flashing lights... More at Amazon.
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