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teaching special abacus abacus 17 wooden teacher's white bead red frame non-slip abacus
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Product Name: Teacher's Special Abacus
Abacus color: Red and white dual color
Abacus material: wooden frame, plastic beads, with spring and anti-skid inside!
Abacus size: 74.5cm * 22.7cm * 3.5cm
Abacus weight: 0.9kg,
Turn it up, turn it down, don't slide, which is convenient for teachers to demonstrate to students.
