Mattel Hot Wheels Mattel Mario Kart Lite Circuit PlaysetHot Wheels is more than just a toy. It's a tool that helps kids develop life skills. Every car they race and every ostacle they jump teaches them to take on anything. Fans of Mario Kart can bring the video game to life with the Hot Wheels Mario Kart Circuit Slam track set! Kids simply load a Mario Kart vehicle in and press to launch into action will it complete the racetrack's curves and climbs? The automatic pass through counter tracks how many laps