Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to make Play doh at home
1 part conditioner to 2 parts corn flour/corn starch.    Food coloring (optional) Pour in the corn flour. Give the mixture a good stir. Step 4 (optional) Add a few drops of food coloring. Mix well using your hands.     play with your new Playdough!
Mix flour, water, salt, and oil; knead until smooth.