Please note that, due to a family holiday, any new orders placed will not be shipped until the week commencing Monday 12 August. Many apologies for any inconvenience this may cause.
Two coaster cars equal double the trouble with the Double Doom Roller Coaster Building Set!
Build with classic K 'NEX rods, connectors, and track that build a model over 0.78m (3 feet) high.
With the motorized action, your 2 coaster cars will go on a twisting and turning ride. For even more fun, download instructions for a second model, the Wild Warp coaster. Models can be built one at a time.
Requires 2 "AA" batteries (not included).
Click on any link below for a larger image and more information: