1. 【Materials】 Our hamster wheel is made of environmentally friendly material, relieves boredom and increases activity, and gives your pet a playground to play with. 2. 【Transparent design】 The transparent design allows you to see clearly while the hamster is exercising, and you can play with your pet together for more fun. 3. 【Easy to Install】 The ball is easy to install and a good toy for the hamster. Provides a healthy and safe me. Great gift for your hamster, it can take exercise. Opportunity for small pets or hamsters who play sports . 4. 【Exercise】 It can be a great temporary holding area to hold your hamster while you clean their home. Encourage your pet with hours of exercise and fun! 5. 【Exercise】 It can be a great temporary holding area to hold your hamster while you clean their home. Encourage your pet with hours of exercise and fun!