What can I add o cornstarch to make it so that it's runny at first, then hardens after a day or so?

Question

What can I add o cornstarch to make it so that it's runny at first, then hardens after a day or so?

Answer 1

You just need to vote Republican, so you can continue to pay super high health insurance for coverage they will deny you and another 50 years in Iraq with more breaks for Big Oil companies and you'll be fine.

-I have spoken.

Answer 2

Milk and I think water.

Answer 3

water

Answer 4

Actually, you can add any type of liquid, its just most people would say water, because when cooking, they would normally use water. I know I do for sure.  

Answer 5

haha water! i do that all the time

Answer 6

Just water.

You can add enough water and at first it'll still seem very liquidy. But in a short time it does harden.