Mario Kart Wii Mario and Donkey Kong Circuit Start Line Building Set Watch Mario and Donkey Kong face off from the starting line of the Mario Circuit Track in their super fast battery-powered motorized Wild Wing and Standard Karts Use levers to activate two moving obstacles; watch your racers dodge a hungry Piranha Plant and the Delfino Oak Tree, 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