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COG Marble Run Coaster Model Science Kit
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COG Marble Run Coaster Model Science Kit

Item # 8A212
Regular Price: $39.99

Model kit COGs marble run coaster entertains and teaches

Easy to build COG coaster is just fun -- punch out pre-cut wood pieces and with the crank of the handle, fire up the gears and watch as the parkour coaster carries the marbles up to the top and releases them down the track. Number of parts: 239. Assembly time: 3-5 hours. Assembled size: 9.9" x 9" x 6.5". Ages 14+. (#8A212) A ComputerGear exclusive. Item in stock unless noted above.
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