Using wooden or plastic blocks with letters on them (available in almost any toy or learning store) or pieces of paper with hand written letters, why not build words?

用一些上面写有字母塑料的或者木质的积木，或者是手写的纸片，来组合单词吧。

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This was when Johannes Gutenberg, a goldsmith, first had the idea of producing small, regular blocks of steel with letters on them.

那时候，约翰·古滕贝格，一位金匠，第一次生出要造出一些规则的、刻着字母的小钢块的念头。

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