3-in-1 Math Learning Abacus

*This 3-in-1 multifunctional table top rack includes a standing abacus, a number learning frame, and a blackboard with a box of dust free chalk.  *Children can not only learn to count with the colorful beads and flip number blocks to develop number cognition and object recognition, but also draw and write on the blackboard with all their imagination. *Perfect early math learning activity toy for toddlers.