PolarB 3-in-1 Math Learning Abacus PolarB 3-in-1 Math Learning Abacus is an exceptional tool for children to learn math in a fun and interactive way. This unique multi functional tabletop abacus has three different modes of play: standing abacus, number learning frame, and a blackboard with a box of dust free chalk. The blackboard is perfect for practicing and writing numbers, and math equations! The durable and colourful design of the PolarB 3-in-1 Math Learning Abacus ensures that it is not only functional but also visually appealing and engaging for children. An excellent investment in a child’s education and will help them develop math skills. More About PolarB 3-in-1 Math Learning Abacus: PolarB 3-in-1 Math Learning Abacus is a perfect early learning math activity toddlers Includes standing abacus, number learning frame and blackboard with a box of dust free chalk Size: 24cm x 26cm Recommended for ages 3 and up Can help set a child up for success in both academics and personal endeavors