Wissner Wood 254 cm Student Abacus - Image 1

Wissner Wood 254 cm Student Abacus

£10.70Save 7%
£9.99
4.5 (4 reviews)

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Calculation frame 100 numerical space 25 x 17 x 4.5 cm; Frame parts and balls (diameter 13 mm) in RE wood. Extremely stable design with stainless steel bars. The count and all the basic operations (addition, subtraction, multiplication and division) as well as numerical comparisons in the range from 0 to 100 can be easily learned or consolidated.