this really cool receipe for coffee play
> Okay this is more for younger kids but still I thought valuable if
> anyone is doing space, fossils or environments needing stone like
> You might have already heard of it, but it turns out really neat.
> You mix:
> 1 1/2 cups flour
> 1 cup salt
> 1/2 cup cold left over coffee
> 1 cup used coffee grinds
> Mix together and knead into play dough. You may need to add more
> The texture comes out really cool..! It looks like stone or sand
> rock or clay It is a great texture experience for the children as
> well as useful for making fossils or other things such as that.