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a glossy varnish
numerous rigorous studies have shown that children under 9 often struggle to visualize conceptual elements like those in math
il combine simplicité
The abacus was already known in China 2
Du CP jusqu'à la terminale le boulier prépose un avantage flagrant pour l'étudiant qui l'utilise
Boulier en bois avec béquille Boulier-japonais a glossy varnishFeatures Size 30. 7 x 21. 6 x 1. 9 cm Solid wood construction Hand painted with non toxic paint Standing 30 cm tall, this abacus is perfect for both fun and educational use at home or in the classroom.
US$ 47.04
US$ 19.99
US$ 11.49
