I do feel sympathy for your son, the forum of this "kid's game" is not what it seems. I would advise for him to stay away from Off-Topic, if he were to still remain on this forum, only because that is the place where most of the trolls and furries, whatever the heck they are lurk. If anywhere on this forum would be a bad place for a young kid, it is Off-Topic.
Do not be fooled by the cutesy look of Blockland ;P