We verify kids from 13 years and above. If the kids already have a steemit account, we can verify the younger ones as minors whereby when they make post they'll need to take a selfie with a handmade paper of their username and that of the person that assisted them in the writing. The selfie should be the kid and the helper with the paper. Read the post below to see the guidelines:
https://steemit.com/hive-139765/@steemkidss/important-update-age-eligibility-limitations-on-kids-accounts-in-steemkids-community