K'Nex Double Doom Roller Coaster
#13730143
This item is no longer available for purchase.
Two-in-a-row coasters mean double the action on this twisting, turning joy ride! Thrill seekers will be on the edges of their seats as they use K'Nex rods and connectors to build a motorized roller coaster that stands over 3 feet tall. Set includes 891 K'Nex pieces, double coaster cars, a motor and step-by-step, illustrated instructions. Uses two AA batteries (sold separately).
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