Walmart offers the Fisher-Price Imaginext Supernova Battle Space Rover, model no. BFR73, for $69.30 with free shipping. That's $6 under our January mention and the lowest total price we could find by $31. Features include over 200 sound effects, a transforming space shuttle, child-activated control panel, projectile launchers, pull-out drill, saw blade and crane, and three figures. It requires seven AA batteries (not included).