This toy is appropriate for small kittens as well as older cats. The size of the toy is 10 X 6.5 X 6 cm. This toy is made of non-toxic plastic. This toy is great for cats that love to chase. Once they catch it, you can toss the other one. Keep the rotation until your catto is tired. Each individual toy works great on its own as well. This is a 2-for-the-price-of-1 toy. One Fruit has a catnip ball made from 100% organic catnip which rattles & the other has a bell inside. It’s a great toy to chase and it doesn’t break easy. Think about it! Fun fact: 66% of all cats carry the “Catnip Gene” that make them react favourably to the calming and stress-reducing catnip. Not sure if your cat carries this gene? Try this toy to find out!