As a rattle, it is loud. So from the beginning, it startled my 4-month-old and she cried. I gave it another try by letting her grab it and take it to her mouth,. She cried again. I feel the material is too hard for her mouth and gum. A week later we tried this toy again. This time she tried to shake it to make a noise, and she wracked her head with it and cried. I wish it is made with softer material. It is hard all around. It looks cute but not appropriate for little babies.