![Do It](../web_assets/tophead_doit.gif)
![making crystals](../web_assets/superdoit/doit_crystals.jpg)
![grab](../web_assets/superdoit/do_it_grab.gif)
- a saucepan
- a spoon
- salt
- water
- food coloring
- pieces of string
- a cup
- a plate
![how?](../web_assets/superdoit/do_it_how.gif)
- Bundle your pieces of string at one end with a knot.
- Bring the water to a boil, add some salt and a couple drops of food coloring.
- Keep adding salt until no more salt dissolves.
- Pour the mixture into a cup.
- Hang your knot in the salt water and let it sit for a couple of days.
- When you come back to it you will have colorful crystals
![what happened?](../web_assets/superdoit/do_it_what_happened.gif)
![Try the experiment, tell us what happens and watch DFTV for your results!](../web_assets/superdoit/box_try_the_experiment.gif)