Walmart offers the Radio Flyer Battery-Operated Fire Truck Rider, model no. 906, for $79 with free shipping. That's $10 under our January mention, $26 under list price, and the lowest total price we've seen. Powered by a 6V rechargeable battery, it scoots along at up to 2 mph and features lights, sounds, under seat storage, and a max weight capacity of 86 lbs.