KUMON PUBLISHING Kumon Soroban 120 Educational Toy, Ages 3+ By repeatedly counting numbers up to 120, children become aware of number patterns and are able to understand numbers greater than 120. This leads to the development of addition and subtraction skills. Set includes: 1 main unit, 2 number sheets, 1 divider, 1 guidebook Target age: 3 years and up [Main unit size] W26.5 x H13 x D30.4 cm All accessories are included. The cards show signs of use.