Hamster toys are made of natural materials to make your hamster feel comfortable in his cage, you should offer him varied opportunities to play and hide. Small animal toys made of natural material are always a good choice, as they can be nibbled on without any problems. The 5-piece hamster cage accessory set contains 3 small balls that you can hang in the cage as decoration and for playing. The large grass ball can also be hung up and filled with hay, the hay tunnel is perfect for exploring & hiding.