Scurry around: Hamster Mania pets can run in and outside of their ball! Real sounds: Listen close to hear 20 adorable hamster sounds. Smart technology: These clever pets can sense doors, walls and more! 4 to collect: There are 4 adorable hamsters to adopt. Which will you unbox? Perfect gift: Hamster Mania are the perfect furry friends to gift to any child who would love a pet! With real movements and sounds they're just like the real thing!