Multi-coloured beads change to white and red as you slide them across the rods on this Colour Changing Abacus and Rekenrek from Learning Resources! Visualise numbers and patterns as multi-coloured beads change to white and red. Our abacus counting frame is a tried and true way to deepen kids understanding of numbers, counting, addition, and subtraction. It's easy for children to learn to visualise numbers, count, add and subract, with this one-of-a-kind Colour-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 rekenrek to help teach kids maths makes easier to learn without the mess or risk of losing stray counters. Colour-Changing Abacus comes with a getting started guide that includes 6 teacher-developed activities.