SANSEFERO 14 Cm Hamster Crystal Ball Wheels Toy Jogging Cum Exercise Wheel Cage Accessories Great for Running Vitness, for Hamster/Dwarf/Gerbil/Mice/Mouse (Random Colour). "This ball enhances your hamster's playtime and exercise, helping to maintain its health through increased activity. The transparent design lets you watch your pet as it plays, allowing you to observe every move and adding extra fun for both you and your hamster. This one-of-a-kind habitat not only provides a safe, comfortable space for your hamster to play and rest, but also allows you to be an active part of their daily adventures. The crystal clear design gives you a front-row seat to your pet's energetic antics, so you can enjoy their exercise and playtime like never before. Upgrade your hamster's home with this fashionable, functional enclosure that's sure to delight both you and your furry friend.