The K'NEX Mario Kart Building Set is ideal builders who love to play the video game.

This set comes with 25 pieces that are made of sturdy plastic and also includes a golden mushroom item, a pull- back motor and parts to build Donkey Kong and his Bolt Buggy Kart.

Kids can just set the kart down, pull it back and watch it go.

The package can be re-used as a ramp for even more after-building fun.

Collect all the K'NEX Mario Kart 7 buildable karts (each sold separately).

This Donkey Kong buggy kart toy building set teaches your child to build while using his or her imagination.