Didax Slide Abacus (discontinued) category-magnetic-labels - Chew-Proof

- Chew-Proof

The polished brass surface is perfect for engraving

for example

Same color on both sides

Didax Slide Abacus (discontinued) category-magnetic-labels - Chew-ProofA hands on tool to represent numbers without the use of place value! This modern version of the abacus has beads in five colors and number grids horizontally and vertically on the outer edges of the 9" x 6" frame. Around the world, many cultures use the abacus in pre schools and elementary schools as an aid in teaching the numeral system and arithmetic. The abacus is often used as a hands on tool to represent numbers without the use of place value.