These bright, attachable bugs are sure to engage baby with their high contrast colors, textures and symmetrical smiling faces. Each bug makes a distinctive sound, and the rattle, crinkle, and chime helps teach baby about cause & effect. These fun bugs are Intentionally designed to be batted at for activation, a skill that’s developmentally appropriate for baby at this age Bright colors and bold patterns are visually appropriate for baby’s developing vision Gentle rattle, crinkle and chime sounds teach baby about cause & effect Symmetrical faces have a calming effect on babies Repositionable straps allow for on-the-go fun Sassy developmental baby toys are designed to help provide a solid foundation for lifelong learning by fostering development and stimulating the brain. High contrast patterns, product proportions, various sounds, age-appropriate materials and innovative functional features are all key components to our Sensory Play line of toys.