E arlier this week the boys asked to make cornstarch goo. This is a classic science experiment: when combined, cornstarch and water create a non-newtonian fluid - having properties of both a liquid and a solid - but we make it simply because it's fun and messy. supplies: tins, cornstarch, water, liquid water colors (or food coloring) spoons. mixing their colors pouring in the water. we use approximatly 1 part water to two parts cornstarch - i let the boys play with the consistency and if too much water is added the excess drains off pretty easy. mixing it up i love how mini-man is always checking to see how big buddy does things little strainers are perfect for cornstarch goo i left the room for a minute and they got out the play-dough toys and straws?! the straws actually turned out to be a pretty cool tool. messy but worth it This kept us busy for almost an hour. It tends to get messy but it c...