Track Builder Multi-Lane Speed Box offers endless options for cool stunts and side-by-side racing. Connect track to the lid for the ultimate gravity drop stunt. The bottom of the bin has a 4-lane jump for a great finishing stunt. Everything fits inside the bin for easy portability, on-the-go fun and simple storage solutions, The box itself and the lid are also part of the track play and stunts with multiple points to connect. Compatible with other Hot Wheels track sets for building out epic stunts and a world of racing play.