With the empty bottles with different filling capacities individual colors can be mixed. The empty bottles have a filling capacity of 30 ml or 180 ml and can be filled with diverse MOLOTOW inks and paints. Afterwards, the empty bottles also can be used as storage bottles of the inks and paints. Moreover, the empty bottle itself can be used as an application tool for creative purposes e.g. painting with stamps, brushes or sponges.