The Chaos Loop Challenge Playset From Hot Wheels Monster Trucks Features Two Ways To Play: Race Through The Slime™-Dripping Loop To Reach The Adjustable Catch-Cup Or Launch Straight Through A Wall Of Slime™ To Reach The Cup. Load The Included 1:64 Scale Hot Wheels Monster Trucks Mutant Chaos Wreckin' Wolf Into The Slam-Launcher, Then Turn The Loop To Choose The Setup. Kids Can Add The Slime™ For An Enhanced Obstacle Or Race Without It. It'S Compatible With Speed Snap Track – Add More Track For An Increased Challenge And 1:64 Scale Cars. Additional Track And Cars Sold Separately. Colors And Decorations May Vary.