Sanseris! 2.5 dl rice
Shake along with a couple of tablespoons of diluted paint or food coloring. Spread on a baking tray to dry. Clamping away any lumps when dry.
Can be used in a large container or basin with small animals, plush pompons, cotton balls, and other things with different textures. Fun to dig in, pour from the cup, and just watch! One can also use peas, chickpeas, beans, and other dry goods.