Papier-mch powder, very soft and white.
To form paste.
Air drying (approximate drying time: from 48h depending on thickness and environmental conditions).

Instructions for use:
mix 3 parts of powder with 1 of water until a homogeneous paste is left.
Apply the paste on the surface with a thickness of approximately 2 to 3 mm and cover evenly without leaving gaps or bubbles.
Once dry, it can be painted with tempera or acrylic paint and decorated with other elements such as cardboard or adhesives.