A set of 100 beads in a string, 10 each in 10 colours.Large size beads are to be used for the very young children. For the older ones, medium and small size maybe used. Threading activity is excellent for hand & eye coordination and concentration development. The act of inserting a thread into a hole improves fine motor skills and helps the child to focus. The smaller the bead gets, the tougher it gets for the child to do this activity.