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Demo Abacus

Demo Abacus

Product Code: LBNY-0006-1010001

Categories: Primary School Science

Tags: Demo Abacus

5726

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  • Description

PVC plastic frame, length is not less than 695mm, width is not less than 35mm, the thickness is not less than 16mm, A total of 17 archives,Two above and below four, the diameter of the bead is not less than 30mm, and the diameter of the bead rod is 6mm, It can slide on the bar without slipping.



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Demo Abacus

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