Board Thread:ROBLOX help and discussion/@comment-34182888-20180102133212/@comment-34448048-20180123204143

It's numbers being filtered.

A user over age 13 can out down 3 and 3 comes up.

A user that isn't 13 or over puts 3 and it turns into a hashtag (#) unless music appears. Music3.

If roblox patches it, even music3 will come out ###### for users under 13.