Rob, you need to check out the Mario Cart RC MicroSizers by Hobico. They have Mario and Yoshi Karts so far. Length 2.4" Width 1.6" Height 2.1" All you need are 2 "AA" batteries and you are ready to roll. They are full functionas well. They run for 2minutes or longer per charge and they charge up in about 45 seconds. Check them out at www.towerhobbies.com They cost $27.99 each. These are perfect for all you Nintendo crazed people. Not to mention they are pretty cool to.