Babies through toddlers, and even adults, love to play with this toy. Manhattan Toy Classic Baby Beads are strung on an elastic cord that permits countless configurations. Children are stimulated by the sensory and tactile input while adults often find it soothing and stress relieving. The beads are made of wood that makes a pleasant clicking sound during play. They have a non-toxic water-based finish and meet or exceed EN71 and CPSIA safety regulations. You can surface wash the beads to keep the nursery clean.