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Positon: Home Page > Products > Educational Equipment > Primary School Science > X292 One-bit oral arithmetic
Detailed Product Description
Product dimension (L*W*H CM): 30*19*4
Inner packs dimension (L*W*H CM):31*21*4.5
It is used in primary school volume one teaching to demonstrate computation method of 10 addition calculation. It consists of panel, reel and paper tape
