Nintendo Mario and Yoshi Finish Line Building Set Watch Mario and Yoshi race to the finish line of the Mario Circuit Track in their super fast battery-powered motorized Wild Wing Karts Use levers to activate the Moving Goombas obstacle; watch your racers doge two Goombas waddling across the track, just like in the game Buildable Mario and Donkey Kong figures plus two bonus collectible items from the game - a banana peel and green shell 234 colorful durable plastic K'NEX pieces, including 13 pieces of buildable, interconnectable track to create a closed loop circuit with a built-in jump Recommended for builders ages 6 and up