PLEASE READ:GAME CARTRIDGE ONLY. No case/box or instructions. Additional Details ------------------------------ Product description: Monster Trucks takes all the action and excitement of Monster Truck events and brings them to the Game Boy Advance. Players build their ride in the scrap yard then work their way up to arena competitions in a quest to become the best on the circuit. They must face five different Monster Truck opponents determined to knock them out of the league and can earn money to add new upgrades to their truck and Monster Truck Team. Multiple channels allowing users to select the clearest channel to form a group on Frequency hopping, spread spectrum radio automatically avoids interference Built-in internal antenna Internal battery port; battery operates for up to 1 week on a single charge