Feature: 1. It is made of safe and natural wood material, which is very suitable small pets to climb, play and chew. 2. Suitable small pets to climb and play games, and can also exercise their athletic ability, which helps them resist boredom, anxiety and stress. 3. The pedals can help pets climb and stand, and the thickened base can be placed directly in the cage, so the pet will not tip over when climbing. 4. Built in screws and nuts can be installed manually without other tools, which is convenient and quick. 5. It has a wide range of applications and is very suitable mini pets such as hamsters, rats and hedgehogs. Specification: Item Type: Hamster Toys Material: Wood + Composite Board Size: Approx. 15 x 15 x 19cm / 5.9 x 5.9 x 7.5in (There is a 0-1cm / 0.0-0.4in Error) Package List: 1 x Base 5 x Pedal 1 x Pillar