East Coast Nursery Say Hello Wrist And Ankle Rattles. STARGAZING JINGLY FUN TO HELP YOU FIND YOUR FEET East Coast Nursery have proudly teamed up with Baby Sensory to create a range of toys designed around the "Say Hello" theme tune and the seven characters it introduces. The Baby Sensory Say Hello Wrist and Ankle Rattles encourages baby to move and kick their arms and legs as they hear the rewarding fun, playful jingle noises. Featuring adorable sleepy faces, these little rattles attach easily to baby's wrist and ankle. This teaches baby cause and effect and helps them discover their own body, encouraging looking, feeling and moving.