K'Nex KNex Cobras Coil Roller Coaster Building Set
Description
"Get ready for slithering fun with the Cobra's Coil Roller Coaster Building Set from K'Nex! You can build with over 200 K'Nex parts and pieces to create this slingshot powered serpent. Send the coaster car hurtling through over nine feet of heart-pounding thrills! You can also download exclusive instructions to build an incredible second model, the Rattlesnake Rush! A great K'Nex construction set's ideal for ages seven and up."
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