"Young conductors can make their favorite moments from the Thomas & Friends: All Engines Go!™ series come to life with this motorized toy train from Fisher-Price®. Thomas might be the No.1 Blue Engine, but Diesel is on a mission to be ""the real number one"" by racing the fastest and carrying the biggest cargo! Kids can flip the switch on top of the battery-powered engine to send Diesel speeding into super cool adventures along any Thomas & Friends™ track, except wood. Collect additional Thomas & Friends™ motorized trains to build a railway full of engine friends and explore Sodor like never before. (Track sets and additional trains sold separately.) Requires 2 AAA batteries."