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it remains stable while offering excellent user comfort
Size: 20 x 10 x 1
they no longer need to keep the steps in their short-term memory
multiplication)
Using the abacus aids students’ memory in two ways
Boulier chinois en bois de 10 colonnes - vert Boulier-ancien it remains stable while offeringFeatures 10 rows of beads Solid wood construction (hevea) Size: 23. 8 x 12. 8 x 1. 8 cm
US$ 19.90
US$ 69.90
US$ 19.90
US$ 17.90
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US$ 109.95
US$ 39.90
