Power Wheels Thomas & Friends, Thomas Train with Track (Amazon Exclusive) 6Volt battery powered ride-on Up to 1 mph max. speed on track and up to 2mph off track Fun Thomas styling with Thomas phrases and sounds! Push button operation for easy stop & go 18 feet of easy-to-assemble track Train works on or off the track For indoor use only. Weight limit: 40 lb (18 kg). Before first time use, you must charge the battery at least 18 hours but no more than 30 hours