Multi-functional Baby Rattles and Teethers 11PCS for Ages 3 Months + Rattles offer a source of incentives for your little baby to explore the world. Babies like the sounds rattles make and follow the moving colorful rattles with their eyes and try to grab and shake them, which encourage the development of fine motor skills.It is a great kids first baby toys! What's more, Teething is one of the milestones in a baby's development. Our teethings toys are designed for babies chewing grabing and shaking and helping little teeth growing, babyies get some comfort and relief by chewing on toys. why do you choose our product? 1. All the pics have passed the safety testing. Including ASTM CPSIA FDA. 2. Our rattles and teething toys are very cute and the colors are cohesive--not too bright and the soud is gentle.It helps developing babies eyes and hands while not hurting them with too much noise and too sharp colors. 3. We have a very cute storage box with a bull rattle on the top. It is really easy to put everything into the box without mess. 4. Except the classic teething and rattles,we have some new shape: including the little turkey runs like a mini car and the adorabel monkey drum. 11 pcs in total, individually pack in a poly bag. 5. Easy to clean and sterilized with steam, ultraviolet light or boiled. How to sterilize the rattle set? 1. Steam them. (less than 2 minutes) 2. put them in the boiling water( less than 30 seconds) and air dry. Please do not boil them over 1 minutes in order to prevent water getting in or any broken.