Rock Specimen Rock Collection 24/42/100 Pieces Stone Collection Sample for Mineral Scientific Experiments and Ore Specimens

Type: 24/42/100 mineral specimens. Applicable to: primary school, junior high school, scientific experiments. Function: learning, teaching. Material: Rock. Mineral, Rock, and Fossil Specimens for Scientific Experiments in Fourth Grade Primary School 24/42/100 Geographical, Geological, and Ore Specimens. Type: 24/42/100 mineral specimens. Applicable to: primary school, junior high school, scientific experiments. Function: learning, teaching. Material: Rock

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