ParentShield is a Great Child-Safe and Parent Friendly Mobile Network.  Only children or people needing special facilities are allowed to use it.
Every feature of the Network is designed specifically for these users and feature include advanced monitoring and safeguarding tools and spending and usage controls.
Everything is accessible at
https://parentshield.co.uk
there is a small explainer video at
https://parentshield.co.uk/questions-2/
There are also lots of free guidesw on how to set up the free parental controls build into modern smartphones, social media controls etc here
https://parentshield.co.uk/blog/