| Decimal System Tray(Counting) |
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Decimal System Tray(Counting) [MM2410] |
| $320.00 | |
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Description: A wooden tray containing: a wooden unit bead stand with nine beads, a wooden box containing 9 tens beads bars,a wooden box containing 9 hundreds squares of beads and a wooden box containing a cube of 1000 beads. Counting the quantities and hierachies of the decimal system. |
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