Velocity Toys Happy Hamster Spinning Exercise Wheel Children's Kid's Electronic Toy Pet Playset w/ Hamster, Wheel, Stand (Colors May Vary) Happy Hamster Spinning Exercise Wheel Electronic Toy Pet Playset Watch as Happy Hamster Runs Inside the Wheel! Includes Battery Operated Hamster, Wheel, Stand Hamster & Wheel Color May Vary Requires 2 AAA Batteries to Run (not included)