Richardy 0-20 Math Flash Cards Addition & Subtraction Mental Arithmetic Kids Mathematical Enlightenment Educational Toys Montessori Learning Aids 260 Cards

1 Include 260 cards in set 121 cards of 0-20 subtraction arithmetic, 111 cards of 0-20 additions arithmetic, 28 cards of number and symbol2 The answer is displayed on the back for easy self-check3 The simple number display can train children's mental arithmetic and reduce reliance on counting items4 Suitable for math beginners: children, toddlers, preschool, kindergarten5 Cards can be used as: educational toys, teaching aids, game supplies, competition props

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B09V7DJW86

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