Box for modelling clay or clay sculpture - contains water absorbent layer to maintain or achieve optimum humidity

摘要

The box is intended for despatching and storing of modelling clay etc. and of workpieces made from clay. It contains material to maintain the contents at potimum humidity. The box may contain a water-absorbent material such as a sponge or felt layer. It may further be provided with heating means to prepare the contents gradually and over the desired period for further operations or for firing.