Ones that are brightly colored, have interesting textures, and make noises are particularly good. Be sure that any item you give your baby will be safe in his mouth, since that's where it probably will end up . Use these items for all age groups. Many of them will continue to interest toddlers and older preschoolers. For example, babies love to inspect a paper towel roll.
Babies begin to understand how the world works when they see, touch, hold, and shake things.
Inspecting things also helps them coordinate and strengthen their hand muscles.