This exercise wheel is completely silent during the hamster night competition. Designed for quiet rotation, encourage your pet to spend hours of healthy exercise and entertainment! Install the shaft into the hole. The shaft should fit as pictured above. Align the triangle with the shaft and hole. In the front, insert the screws into the triangle. Check the correct alignment. Twist the screws to secure. 7-9. Using the provided small disk and screws, mount the roll to the cage. Perfect gift for your small animal Bring endless joy and comfort to your beloved little animal by showcasing them our unique pet property. Whether it's live mouse energy or calm chinchilla. Product Features: Suitable for all types of small animals: From mice to chinchillas, every animal will find its pleasure here. Safe Materials: We use non-oxidized and eco-friendly materials to ensure the safety of your pet. Multifunctional Design: Includes a variety of activities, including climbing, digging, and resting areas, to meet the natural needs of animals. Running Tracks for Pets - Safe, Durable, Easy to Clean Provide your pet with a safe and comfortable environment to exercise by choosing our supportive running tracks for pets. Not only are they easy to maintain, but they also come with non-slip features to keep your pet safe while they play. Product Features: Easy to clean: Can be washed with water and does not set, which makes maintenance a simple and quick process. Non-slip design: Unique curved line design that prevents your pet from falling during running. High quality materials: Made of durable and high quality wood composite board. Eco-friendly and safe: The product is safe for animals and environmentally friendly, does not contain harmful substances. No roughness: Thoroughly finished, no roughness, which protects the animal from injury. Fixed and Anti-slip: The exercise wheel for rats does not fall, the design with bent anti-slip lines allows your pet to run and play safely, without the risk of slipping and injury, easy to use, easily inserted into the pet cage. The rat wheel accessories can be placed at the right height and you can adjust the height of the wheel to suit your small animal's species. Easy to Assemble and Clean: Exercise wheel cage accessories come with instructions and tools for assembly, which makes it very easy to install in most cages. Wood-like desktop materials can be washed with water and do not overlap, it can be wiped with a rag to clean it easily. Don't fade the shaft in the water! Safe Desktop Materials with Wood Similarity: Our rat wheel is made of quality wood and PVC similar desktop materials that are durable, eco-friendly, non-toxic and bite-resistant, safe for your pet. Quiet and Noiseless: Our silent rotor uses a stainless handle design, allowing for smooth and quiet rotation, so the rat won't interrupt your peace and sleep during exercise, bringing your little rat endless joy to run, while maintaining their strength and well-being.