Mattel Hot Wheels Track Builder Stunt Crash BoxFeatures Build and play more than four different track configurations Use your imagination to crash, smash and stunt 1: 64 scale Hot Wheels car Lid has pockets for storing cars, and barricades that can be used on track Bottom of the box has multiple attachment points that kids can use to create some really fun stunts Comes with 18 pieces, including a base (the box) and lid, and 1 die cast car For ages 6+