- Get ready for slithering fun with the Cobra’s Coil Roller Coaster Building Set from K’Nex
- 201 K’Nex parts and pieces
- Second model, Rattlesnake Rush, instructions found online
- Silver Coaster Car
- Recommended for builders age 7+
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 & pieces including rods, connectors and track to create this slingshot powered serpent that sends the coaster car hurtling through over 9 feet of heart-pounding thrills! Then, download exclusive instructions to build an incredible second model, the Rattlesnake Rush!
Suitable for ages 7 years +