42 kinds of mineral crystal ore specimen box primary and secondary school geography geology science popularization specimen teaching aids 42 种矿物晶体矿石标本盒 中小学地理地质科普标本 教学教具

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4_2 types of mineral crystal specimen boxes, designed specifically for geography and geology education in primary and secondary schools.

Selected natural minerals, diverse in variety, clearly labeled, and easy to carry and store.

Solve the challenge of abstract and difficult teaching content, enabling children to explore hands-on.

With safety certification, brand reputation is guaranteed.

Making geological knowledge accessible and stimulating scientific interest is an ideal teaching tool for classrooms and homes.