Educational aids
![Natural specimens](https://jangar.pl/c/2075-category_default/natural-specimens.jpg)
MACHINE TRANSLATION (not authorised yet)
Natural specimens, including sedimentary, magmatic and metamorphic rocks, ores, gemstones and specimens according to the Mohs hardness scale. Ideal for a geography workshop and nature classes. Among natural specimens there are also insect and plant specimens sunk in the material.