How fun is this?! Walmart has the Mega Moto 212cc Mega Max Mini Bike for only $349! (Reg. $800) It has a large freight fee for shipping, so if possible choose free in-store pickup. Conquer the outdoors with the not-so-mini, 212cc Mini Bike. The newest Mini Bike is noticeably bigger and beefier, and sports a powerful 212cc motor. Mega Moto rugged 212cc Mini Bike offers plenty of torque and power for tougher terrain and longer trails. And, like all of Monster Moto products, it is simple to set up and built to last.