1、[Safe Materials] Hamster toys set made of natural applewood, pine cone, sea grass rope and other materials, no added chemicals, safe and durable. 2、[Attractive] These hamster toys can stimulate the animal to chew and develop the habit of grinding teeth, with natural smell, more comfortable for pets to use. 3、[Teeth Grinding] Chew string, pine cone, rattan ball, applewood sticks, etc, can be chewed by small animals to grind their teeth and prevent overgrowth. 4、[Promote Exercise] Includes toys such as tunnel and roller for small rodents to play and exercise to keep them healthy and active. Allow them to feel more fun in a limited space. 5、[Suitable For Small Pets] These chew toys are suitable for small rodents such as guinea pigs, chinchillas, hamsters, gerbils, mice and other small pets.