Teaching children how to calm themselves can be a great tool for when they are older. Children that know how to deal with their emotions grow to have a healthier mental state of mind and are able to cope with life better. It's never to early to start preparing your child with tools to help them become healthy, stable adults, keeping in mind that the world is changing very quickly and they have a lot more mental and emotional stress to deal with than previous generations.
Check out the My Crazy Blessed Life article here. And don't forget to check out her other glow-in-the-dark version too! Below is a picture of the bottles she made.