Bring the world of Mario Kart Wii to life with Bowser's?? Luigis ?? Marios and Yoshi Motorized Standard Kart Building Sets for some fast battery-powered motorized action.</br>Bowser's Motorized Standard Kart complete set includes 26 K'NEX Pieces and a bonus Invincibility Star item</br>Mario's Wild Wing Motorized Standard Kart complete set includes 30 K'NEX Pieces and a bonus Mushroom.</br>Yoshi's Wild Wing Standard Kart complete set includes 30 K'NEX Pieces and a bonus POW Block Item.</br>Luigi's Sprinter Standard Kart complete set includes 26 K'NEX Pieces and a bonus collectible Blooper Item.</br></br>Product Description</br></br>All K'NEX Pieces are made with colorful durable plastic and include a real working battery powered motor (requires 2 AAA batteries?? not included). Each kit also includes step-by-step instructions. <br> Makes a great Christmas or Birthday Gift. <br>Recommended for ages 6 and older.</br><br/>http://www.amazon.com/gp/product/B01N4BTFYD