A metal wheel is a circular style cage that rotates vertically enabling the hamster to continually run at the bottom of the wheel while its in rotation. Resembling a ‘treadmill’ type action. This Daro hamster wheel on a stand has supporting hooks to prevent accidental movement in the cage and is an essential accessory to support mental and physical stimulation. This is a great tool to keep your pets from bordem when you are absent. Suitable for a wide range of small pets including hedgehogs, rats, chinchillas, and other similar small animals.