VTech Go! Go! Smart Animals Roll & Spin Pet Train Watch the hamster wheel spin and the crocodile teeter totter move like magic as your little one pushes or pulls the Go! Go! Smart Animals Roll and Spin Pet Train along Develops motor skills with manipulative play features like a rotating smiley face, smoke stack button, conductor window and more; features 35+ songs, melodies, sounds and phrases SmartPoint hamster responds to 3 SmartPoint locations on the train with different phrases, music or fun sound effects; hamster teaches the letter H, the color brown and the name of the animal through pretend play For even more fun, add other Go! Go! Smart Animals (sold separately) to the Roll and Spin Pet Train; Hamster works with other Go! Go! Smart Wheels and Go! Go! Smart Animals tracks (each sold separately) Requires 2 AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for ages 1 to 5 years