These proportional, foam magnetic pieces help young students learn counting, grouping, place value, numeration, and multiplication. Set includes 121 grid-lined pieces: 100 single units, ten 10-unit rods, ten 100-unit squares, and 2-dimensional graphic of a 1,000-unit cube.Details:10 set (121 total pieces)For ages 6 to 9Contents:100 single units(10) 10-unit squares(10) 100-unit squares2-dimensional graphic of a 1,000-unit cube