About this item:
These boxed sets include color-coded foam magnetic discs that are great for demonstration purposes, whether in a group or working with individual students. Use them to illustrate math functions, base ten, and more. Each set includes a plastic sorting tray. The color coding matches that of the Sensational Math Value Disc Sets. 
20 each of 10 values: thousandth, hundredth, tenth, one, ten, hundred, thousand, ten thousand, hundred thousand, million.