Educational aids
![Soil, air, water](https://jangar.pl/c/87-category_default/soil-air-water.jpg)
MACHINE TRANSLATION (not authorised yet)
Soil, air, water - the main components of the environment, which are always accessible and allow a number of interesting studies and experiments to be carried out with our sets.
MACHINE TRANSLATION (not authorised yet)
Soil, air, water - the main components of the environment, which are always accessible and allow a number of interesting studies and experiments to be carried out with our sets.