Kid friendly Minecraft/Roblox forum sites?

Hi,
      just turned 10 and loves Youtube and loves posting videos, trying to aspire to be like famous youtubers like DanTDM and PopularMMO's. His name is Ender Troop



My question is if anybody knows of kid friendly forums that are out there that he can join and post links to his videos?


Please help.

Thanks!

I didn't find the right solution from the Internet.

References:
www.theverge.com/2016/7/15/12197674/kid-friendly-minecraft-roblox-forum-sites


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