Join two or three interlocking bases with this Place Value Abacus to create up to nine-digit numbers. Set includes 3 stands, 9 rods, 81abacus beads, 9 sets of 0-9 number tiles. more details
Join two or three interlocking bases with this Place Value Abacus to create up to nine-digit numbers. Set includes 3 stands, 9 rods, 81abacus beads, 9 sets of 0-9 number tiles.