Six colors in one! Each color measures 2" x 2", and each pad contains 6 colors. The stamp pad features non-toxic, child-safe colors. This will enable you to quickly stamp out 6 colors of each stamp, aiding you and your students in counting, sorting, grouping, connecting or comparing. These stamps can also be used with manipulatives to record solutions and extend manipulative activities. Colors include Red, Yellow, Blue, Green, Purple, and Orange.