Product Code: 2138
£12.05
On 10 varnished arches coloured varnished wooden beads could be moved as a visual help for calculating. 55 addition tasks on the one side and 55 subtraction tasks on the other side of the wooden feet of the board are shown and could be calculated quickly with the help of the wooden beads! A challenge for all small artists of calculating. Size 30cm x 18cm.

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