GOOD FOR YOUR HEALTH: hamsters like to exercise a lot, and staying in a cage for a long time is not good for their health; this hamster toy can maintain pets agility, prevent obesity and keep them healthy and active. It also brings a lot of fun to hamsters, relieves boredom and stress and maintains mental health. HIGH QUALITY PLASTIC MATERIAL: The hamster fitness ball is made of high quality plastic material , which is beautiful and durable, and its sturdy design provides reliable posture and support when running or walking. game. Place for fun. COMFORTABLE HAMSTER WHEEL: The diameter of the silent hamster wheel is 13cm/5.11inch. Reasonable size and wide track provide a relaxed back feeling, as they don’t need to bend their back when running, allowing them to enjoy endless running time and helping them exercise their muscles, keeping them happy and mentally healthy. NON-SLIP AND QUIET DESIGN: The aerodynamic design reduces wind resistance and allows the wheels to turn more easily.