3...2...1...GO! Bring Mario Kart 8 to life as you race Mario and Yoshi on the Thwomp Ruins track! Build Mario and Yoshi in their Standard Karts and race around a complete track! Karts includes a high-speed, battery-powered motor for awesome racing action! Set contains over 300 parts, including a buildable Mario and Yoshi figures, 2 buildable Karts, plus buildable Thwomp obstacles. Collect the coins as you race around the track. The buildable, inter-connectable track system works with all K'NEX Mario Kart building sets - combine sets to build bigger and better tracks (each set sold separately)! Requires 4 AAA batteries (not included). For ages 6+.