Multicolored beads change to white as you slide them across the rods! Visualize numbers and patterns as the multicolored beads magically change to white. Our Rekenreks and Abacuses are a tried-and-true way to deepen kids understanding of numbers, counting, addition, and subtraction. It's easy for children to learn to visualize numbers and count with this one-of-a-kind Color Changing Abacus. Our durable plastic frame is built for long-lasting use. It helps kids practice counting, patterning, addition, and subtraction without worrying about the abacus breaking down! For teachers, these counting manipulatives can work wonders in demonstrating number concepts for your students. Using an abacus to help teach kids math makes counting easier to learn without the mess or risk of losing stray counters. This Color Changing Abacus comes with a getting started guide that includes 6 teacher-developed activities. 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!