With this Split(s)box teachers demonstrate the partitioning of numbers up to 10. Fill the Split(s)box with as many balls as the number you want to partition. When shaken the triangle in the box divides the number of balls in two.-Contents:<BR>blue plastic box with sliding lid(36.5 x 23 x 4.5 cm)<BR>10 yellow plastic balls (3.5 cm Ø)-