1. PROMOTES HAMSTER HEALTH: Featuring a frontend sports car design for maximum and durability, this ball ensures pet health during exercise with its wearresistant, odorless material and multienergy absorption parts. 2. 360DEGREE MONITORING: Keep your curious hamster with a fully transparent design that allows effortless monitoring from all angles while they play and explore in their running ball. 3. EFFORTLESS EXERCISE AND FUN: As the hamster runs, the ball moves smoothly forward without slipping, creating a peaceful and enjoyable exercise environment with adjustable movement modes to suit different preferences. 4. EXCITING EXERCISE OPTION: The unique design lets your hamster run inside the rolling ball toy car, providing ample activity space and fun with no directional restrictions—whether used alone or combined with the body.