These toys are ideal for keeping babies amused, it stimulates the vision and audition of the baby, it is made of non-toxic material, this means it can be bitten because it is made of a soft teether rattle material, so there is nothing to worry about. It has a special design for the baby`s cognitive learning that also can attract the baby`s attention. The toys can be disinfected with boiled water. The age range of this product is 0-2 years old.