The Cobra's Curse Dueling Coaster is the perfect do it yourself by K'Nex toy for the roller coaster enthusiast. Features over 1,100 parts this coaster is recommended for ages 9 and up. Since this model features 32 feet of track and stands at 3.5 feet it's easy to imagine that even older "kids" will enjoy it. Other features include a motorized chain lift to simulate real coaster dynamics and two cars so that they can race down the track - the chain motor requires 2 "AA" batteries. For even more design and fun an second coaster model design is available on the K'Nex website.
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