3 IN 1 EQUIVALENCE TOWERS
Ages 6 and up.
Set of 51 plastic pieces that fit inside each other and represent the following fractions: 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10, 1/12 and an integer. Percentages are shown on the second side and decimals on the third. Dimensions of the piece representing an integer: 12 cm x 2 cm x 2 cm.