The Sidewinder Roller Coaster Kit

The Sidewinder is a looping block based (LEGO® , Kre-o, Mega Bloks, etc.) roller coaster construction toy. It will be the first commercially available kit that combines the versatility of the world's leading building block system with the realism and excitement of the CoasterDynamix track system. 

Each kit comes with over 900 pieces that work with any of of the major block construction systems!