Two lanes. One satisfying loop built for all-out speed. This is an A1 pair-to-play set. Cars and Super Speed playset sold separately. This is Roadworks, the only 2-lane, analog, hi-speed toy track that's: Easy to Assemble Designed with a patent-pending BoneLock™ system using connectors to make tracks easy to assemble and easy to break down. Modular Endless modularity for creating and engineering exploration through open-ended play. Uniquely flexible ROADWORKS™ is a flexible, but tough rubbery composite that holds shape for building smooth runs indoor or outdoors. Not too floppy, not too hard. Compatible with CANDYCAR®, TOONS™, and 1:64 scale diecast toy cars. Ages 5+ (adult assembly required).