This small pets exercise wheel hamster wooden mute running spinner wheel play toy for rat gerbil mice chinchillas hedgehogs guinea pigs (M) is perfect for helping your furry friends exercise more and develop balance ability and agility. Made of high quality wood material, this eco-friendly, non-toxic and safe to your pet toy is sturdy and durable. The widened and thickened wood base provides reliable and stable support for the exercise wheel. This multi-functional toy can be used as an exercise toy or a chew toy, offering excellent pet teeth grinding effects. It also functions as a great way to keep your pets entertained and relaxed.