Using the Perlix abacus allows the child to deepen his or her knowledge of counting and the transcription of numbers into quantities.
The "challenge" card indicates elements to be counted in the image and the child then records his or her count on the abacus. To check if the count is correct, simply consult the solution on the back of the card for self-correction.
The set includes 30 double-sided challenge cards and 1 wooden abacus. Game rules in 10 languages.
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