The accompanying set of 52 CARDS shows how the blocks can be used to create 2-d or 3-d patterns (children look at a card and try to recreate the pattern).
伴随的52张演示了块可用于创建二维或三维模式(孩子们看一张卡片，试图重现模式)。
The accompanying set of 52 CARDS shows how the blocks can be used to create 2-d or 3-d patterns (children look at a card and try to recreate the pattern).
伴随的52张演示了块可用于创建二维或三维模式(孩子们看一张卡片，试图重现模式)。
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