For big-time racing excitement, check out the Hot Wheels Action Ultra Hots Rev Rally track set. Vehicles whip around the track until there's an inevitable collision in the crash zone! Three Hot Wheels vehicles are included get them all racing at once to rev up the action and suspense! Kids control the rev booster that launches the cars into action and sends them racing around the figure 8-shaped set providing a boost near the crash zone. 135 bricks and pieces combine with all MEGA building sets and are compatible with other name brands Kids 5 years and older will love the thrills and chills of this racetrack, making it a great gift for any occasion. The Hot Wheels Action Ultra Hots Rev Rally track set delivers high-speed racing with the exciting anticipation of near-misses on a figure 8-shaped track. Kids crank the rev booster which sends cars into action; master the timing to get as many vehicles on the track at once before there's a collision in the crash zone. The set comes with three Hot Wheels cars to start racing immediately, and it folds in half for easy and convenient storage. Not for use with all Hot Wheels vehicles. Colors and decorations may vary.