Description Adjustable height and sturdy base | Adjustable height design allows every little animal to easily start running happily. This silent wheel also comes with a cage attachment to free up floor space when space is low. You have the flexibility to use the base or accessory size anywhere | This large candy-colored wheel is designed for hamsters, gerbils, mice, rats, and other similar small animals. Dimensions: Diameter 8 (20 cm) so they don't shoot up in the air when they want to stop Ideal accessories | This candy wheel with stand and cage attachment is a 1:1 reproduction of the candy colors and is so cute. The super cute windmill shape makes your beloved pet feel like they are in a fairy tale world Technology integration | This dwarf and Syrian wheel is a must-have for toys, with high-tech rational design - four slits enhance ventilation, which means stable wind Keeps you running and moving. Help them cool down. Ultra-quiet design | Using high-quality Japanese bearings, even if the large and small wheels rotate at high speed, they can still be quiet at night without shaking. The raised grooves ensure friction when pets run, allowing them to easily turn the wheels. Color name: Blueberry Blue hamsters can run 20 kilometers per night in the wild, and they run very fast. To unleash the energy of the hamster, we introduced a running wheel.