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COG Coaster Model Science Kit

COG Coaster Model Science Kit

9888-cog-coaster
Regular price: $39.99
Quantity:

Fun COG 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: 254. Assembly time: 3-5 hours. Assembled size: 9.9" x 9" x 6.5". Ages 14+. Item in stock unless noted above. A ComputerGear exclusive.

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