Some ways of keeping your kids away from the screen is taking the device away. Kids will probably argue about that but you have to get your point across for them to understand. There are ways of keeping your kids from taking it back. There are a lot of phone safes where you put the device in a safe and put a timer and then it will open up when the timer is done.
Reasons for them to take a break from their device
There are some many reasons to keep a kid from their phone. Some of the reasons is if they get cyber-bullied. Checking your kids phone or device every once in a while is so they don't do anything they are not supposed to do or if they are getting cyber-bullied you can make sure it stops before something bad happens. Because a lot of things can happen if you don't.
Some of my experiences is when I was in a big group chat on Instagram. People were making fun of this certain girl and laughing about it. I didn't think it was funny at all so I told them to knock it off. Then, after I said that, every girl started talking bad about me and that I should of kept my mouth shut. I took a long break from Instagram after that happened.