Activity Buttons has big buttons with 1 to 5 holes in bright colors. Ideal for sequencing and sorting, as well as developing mathematical and motor skills. Each button has a number in relief and its equivalent Braille symbol. The set includes individual activity worksheets and 5 – 3.28 ft. long laces. WARNING: Choking Hazard – Small parts. Not for children under 3 years. Set includes: 40 buttons, 5 laces, 12 activity cards, Retail box. Bundle of 2 Activity Sets.