This unique classroom set of base ten components conveniently interlocks to clarify place value, estimation and operations concepts by enabling students to manipulate and visualize varying quantities with ease. More advanced students can explore spatial relationships and volume. Plastic set is washable and durable for years of hands-on activities. Great for whole-class instruction, small groups, centers or individual exploration. This set teaches math concepts, value and grouping while enabling students to easily manipulate and visualize varying quantities. Older students can explore spatial relationships and volume.Details:Sapphire bluePlasticFor ages 6 and upContents:600 units200 rods20 flats3 cubes112-page Base Ten Book filled with teaching ideas