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Abacus domino
Ref. 8020
To calculate the value of the representation of the abacus, depending on the position of the counters.
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Didactic content
To calculate the value of the representation of the abacus, depending on the position of the counters.
Material
28 counters made of injected plastic, washable, of 8 x 4 mm. and 2 mm. thick / 0,315 x 0,157 inch and 0,078 inch thick.
Packaging
Translucent reusable case.
Size
24 x 20 x 3 cm. / 9,448 x 7,874 x 1,181 inch.
Ages
6 years and older.
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To calculate the value of the representation of the abacus, depending on the position of the counters.