Invicta
Sum Setter
In stock in ShanghaiPrice on request
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Description
A novel, self-contained device which offers virtually unlimited variations of all mathematical operations. A roll of the big clear die makes the two 10-sided dice land in a random sequence; the symbol uppermost on the die acts as the mathematical operation. The removeable symbols (+- x÷) allow teachers to match the levels of ability of their pupils
Featured in: Blue Fountain Catalog 2022–2024 (PDF, 50 MB in 3 parts)
