Oobleck is a non-Newtonian fluid; it has properties of both liquids and solids. You can slowly dip your hand into it like a liquid, but if you squeeze the oobleck or punch it, it will feel solid. The name oobleck comes from the Dr. Seuss book, “Bartholomew and the Oobleck.
Thank you Susan Calkin for sharing this with us!! Recipe - 1 cup water - 1.5 to 2 cups corn starch - 10 cups awesome