Perfect for demonstrating basic counting, place value, whole-number operations, arrays, Fractions, and Probability. Build visual, concrete models for Learning and understanding mathematical concepts. Demonstrate how to count, sort, Group, add, subtract and much more. Counters are red on one side and yellow on the other. Includes 24 magnetic counters, each measuring 2-inches in diameter. For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in math manipulatives designed to help students learn by doing. They supply math counters, rekenreks, abacus, counting cubes and more to help little ones go from counting to 10, 20 and beyond! From early math to middle school math, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more!