Large training space for your hamster: The hamster run ball toy provides ample room to move with a 7-foot diameter and a broad rolling area. It eliminates restricted training spaces and lets your pet train anywhere, anytime. Breathable and comfortable: This run ball features multiple ventilation holes and an air-flow design that creates a wind channel, reducing stuffiness and keeping your pet cool and comfortable. Happiness and engagement: The run ball helps your furry friend beat boredom, encourages natural activity, and promotes overall happiness through safe exercise. Durable and reliable: Made from anti-drop PP material, it is wear-resistant and odor-free. Its high strength ensures durability and reliability for your pet’s exercise and exploration needs. Use scenarios: - Indoor exercise sessions in the living room or hallway, supervised to ensure a safe space for running. - Enrichment and exploration by rotating between rooms to stimulate senses and curiosity. - Travel or caregiving routines where a reliable, safe activity supports consistent exercise and mental stimulation.