VTech Go! Go! Smart Wheels Freight Train with Tanker Car Roll Fred the motorized freight train and his tanker car over SmartPoint locations on Go! Go! Smart Wheels playsets (each sold separately), and he'll respond with different phrases and more Press the toy freight train's light-up button to hear three sing-along songs and 17 melodies, learn the letter F, hear fun sounds and more; light-up button flashes with sounds Push the toy train to hear fun sounds and melodies, push the train again to add fun sound effects; connect the tanker car to the train and spin the drum and pretend to fill it up to develop motor skills Collect all the Go! Go! Smart Wheels vehicles to experience their friendly personalities (each sold separately); works with Go! Go! Smart Wheels playsets, Go! Go! Smart Animals and select Go! Go! Smart Friends tracks (sold separately) Requires 3 AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for ages 1 to 5 years