Colorful 360 degrees Battery Automatic Rotating Globe
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Item | Rock Samples. 24 pcs/set (minerals of 3 rock types) | ||||||
Design Specifications | 1. Samples/references for in identifying and classifying rocks 2. Boxed mineral and rock collection. Has at least 24 samples comprising minerals: 8 types igneous, 8 types sedimentary, and 8 types metamorphic rocks. 3. Rock size: 8 cm3 -20cm3 (8 mL - 20mL by water displacement) 4. Samples are individually bagged in appropriate size transparent plastic and numbered and correspond to the description in the lid of the box. Each rock name should be accompanied with rock type, Example: "Basalt" (igneous) 5. The box is made of sturdy plastic, compartmentalized for each sample 6. Made up of non-toxic material, free from any sharp edges. | ||||||
Functional Specifications | Used to show actual samples of most common rocks found on the earth's crust. |
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