RAINBOW ABACUS: Multi-coloured beads change to white as you slide them across the rods; Visualise numbers and patterns as multi-coloured beads change to white TOYS FOR COUNTING: Our abacus is a tried and true way to deepen kids understanding of numbers, counting, addition, and subtraction MUST HAVE MONTESSORI maths: It's easy for children to learn to visualise numbers and count with this one-of-a-kind Colour-Changing Abacus ABACUS maths: Our durable plastic frame is built for long-lasting use; It helps kids practise counting, patterning, addition, and subtraction without worrying about the abacus breaking down INCLUDES: 1 durable Colour-Changing Abacus and Getting Started Guide with 6 teacher-developed activities Target gender: unisex, Manufacturer: Learning Resources