30439 -Super Shaker has it all;teething rings;bright colors;various textures and shapes to create movement perfect for little hands to explore. Vibrant colors and patterns for visual stimulation including high contrast stripes and bold primary colors. A mix of satin;woven;hard and soft textures create interest and encourage tactile development. Crinkle sounds encourage baby to reach and move items to create sound;practicing their listening and fine motor skills. Various textured teething rings to soothe baby’s sore gums. Super Shaker encourages discovery by helping baby use their hands and fingers for small and precise movements;i.e. grasping or manipulating objects and using and controlling their larger musles for movement;i.e. reaching;crawling and rolling over.