Sawdust Playdough: Use the following recipe to make interesting feeling playdough.
You need: a large bowl, a stirring spoon, a 1-cup measuring cup, wall paper paste, water, sawdust, and a flat surface to knead on like a chopping board.
Mix 1 cup of dry wall paper paste with 2 cups of sawdust. Add one cup of water and stir well. If the mixture is too dry add more water a little at a time. Knead well. It will dry hard in 2 or 3 days depending on the humidity. After the children have made their structure you can spay it with varnish. You can also add food coloring to the water.