https://www.youngminds.org.uk/parent 

Young Minds: A fantastic organisation offering free, confidential online and telephone support, including information and advice, to any adult worried about the emotional problems, behaviour or mental health of a child or young person.

https://www.nhs.uk/every-mind-matters/supporting-others/childrens-mental-health/ 

NHS Every Mind Matters: Whether it's as a parent or guardian to a child or young person, or if someone you know is struggling, there are plenty of ways we can help others with their mental health. You might worry that you do not know the best way to help or will say something wrong and make things worse. But the small things can make a big difference to someone. We have loads of advice and things you can do to support those we care about, as well as plenty of places you can reach out to for further help.

https://zonesofregulation.com/how-it-works/

The Zones of Regulation is a curriculum framework organised around four coloured Zones to describe our feelings, energy, and emotions. We learn to regulate our Zones to meet our goals and task demands, as well as support our overall well-being.