SENSORY SKILLS: Great toy for kids to listen to as they move around. Connecting movement with sound.DEVELOPMENTAL SKILLS: Help to develop baby s color-shape recognition and cognitive competence. VIBRANT COLOURS: Comes in RedOrangeYellowGreenBlueand Purple. HIGH QUALITY MATERIAL: Made of Nylon and mentalwith adjustable nylon Velcro fastener.FITS ANYONE: Adjustable strap fits any baby or children.