The "birthday-like" room beneath Marvin's daughter's room is connected with Petscop's channel description

The description says: "rainer gave this gift to us on christmas 1997 and 2000". You know the birthday-like room near Marvin's daughter's room? That room must not be celebrating a birthday but rather Christmas 1997/2000. And the censored thing at a gift at the room? That must be Petscop, itself. Since rainer gave this "gift" at christmas.