The number 2 bean bag weighs twice as much as the number 1 bean bag. A number 5 bean bag is equal to a number 2 and 3 bean bag. Children can balance the bean bags on the scales, while learning simple addition and subtraction with this highly educational game. Made of MDF timber. Size approximately 60cm x 20cm x 15cm. Five pairs of beanbags numbered 1-5. Ages 3yrs+.