【High quality material】: Our hamster wheel is made of high quality environmental plastic, which can be used for a long time. Safe and ventilated with multiple vents to relieve boredom and protect pets’ health. 【Unique Design】: Transparent design allows you to be clearly visible when training your hamster, you can play with your pet and increase the fun of interacting with your pet. 【Easy to install】: The ball is designed with a lock, all you have to do is remove it. snap the two hemispheres and lid in place, press lightly to form. Installation is easy 【DIY Combination Toys】: This small hamster ball can be connected to an external hose and extended indefinitely, making your DIY combo a more challenging activity for your pet 【Rodent Toys】: Plastic jogging balls provide a fun play place for home hamsters and mice. Ideal for hamsters, gerbils, mice and other small animals