【High quality material】The hamster ball is made of new plastic material, non-toxic and tasteless, can use long service life. It is environmentally friendly and does not harm the animal. < p>【DIY Combination Toys】This small hamster ball can be connected with external pipes and extended space for small animals, allowing you to create combinations to increase the activity area of pets. You can also match this ball with a railroad, so that the ball can roll on the railroad. 【Easy to install】The pet rodent mouse jogging ball adopts the interlocking design, can be molded with a light press, which is easy to install.Please confirm the pet’s size before purchase, and choose the suitable running ball for your hamster. 【Healthy】This hamster exercise wheel provides a healthy and safe way for small animals to pet tits or hamsters for exercise, relieves boredom and increases activity level and gives your pet a fun place to play. 【Breathable and Comfortable】This ball hamster ball is more stable