Epic thrills are right on track with these Vehicle Accelerators - part of the Hot Wheels Track Builder System. Give your track set a speed boost and connect them to existing sets to expand your system! Race around the bend with the Turn Kicker. The Spin Turn lets you launch a car around a U-turn, a bend or race straight ahead! The Loop Launcher kicks your car through the loop. With the 2-Lane Launcher you can launch two cars at once!