This fits your. Make sure this fits by entering your model number. 2 wooden boxes with five compartments in each box. Understand the concept of zero by demonstrating that there are no spindles in the zero compartment. Box: 15.5cm*10cm*4cm（6inch*3.9inch*1.56inch） Compartments in box 1 are numbered 0 to 4 and compartments in box 2 are marked 5 to 9. There are also 45 wooden spindles. The product size fits the size of the child's palm and is easily grasped by the palm muscle.