Scoop 8 cups of play sand into the plastic tub. Measure out 4 cups of cornstarch and add it to the sand. Use a large spoon to mix the sand and cornstarch together. Pour 2 cups of water into the bin ...
Most people ignore this humble white powder, but it’s actually one of the most versatile items in your entire home. Here are 16 surprising ways to put cornstarch to work in ways you never imagined.