Mario Kart Wii Knex Bowser's Castle Ultimate Building Set + Track Expansion READ

** Missing motorized Mario and Luigi karts and the Mario figure from the expansion. I went through and looked at all pieces, all track pieces appear to be complete for both the bowsers castle and the expansion. Bowser and yoshi bikes are unopened** The Mario Kart Wii K'NEX Bowser's Castle Ultimate Building Set + Track Expansion is a creative and engaging toy for children ages 4 and up. This set features characters from the Nintendo series, including Yoshi and Bowser, and allows kids to build their own version of Bowser's Castle. With the added track expansion, kids can create their own racing course and play Mario Kart Wii mini-games within the castle environment. This set offers hours of imaginative play and excitement for young builders and Mario Kart fans alike.