Learning Resources Worry Stone Pals Sensory Wristband. These 4 worry stones offer young children a discreet, tactile approach to focusing their attention, calming feelings of anxiety and worry, and managing stress throughout the day. Children pop a worry stone pal into the adjustable wristband so theirs is within reach whenever they need it. Each stone is double-sided with a character on one side, and a different tactile texture on the other. Includes 1 wristband, 4 stones, 1 stand, and 16 character cards to cover English, Spanish, French and German. (Ages 3+)