Main features: - Wrist & Foot rattles toys – Perfect stimulation for your little prodigy: 1. Wrist rattles are fastened with a simple Velcro, so they are easy to wear and take off. 2. The baby socks toys are made of high-grade crystal super soft knitted fabric, which has certain elasticity, not easy to tear. 3. Rattle inside and can make soft ringing when shaking. 4. Different textures and crinky paper,When the baby knead the ears of them, it will make a funny rustle. 5. Skin- friendly material with vibrant patterns and nature dye,softly applied to sensitive skin,Hand wash or washing machine for gentle washing. 6. It can be used as a socks and a toy to fully exercise the baby's hand and foot coordination ability,Strengthening Color Cognition/Vision Cognition/Hearing Development & Voice Development.