Here’s a list of all known cheats codes for LEGO Harry Potter: Years 1-4. The cheat codes can be entered from the the Leaky Cauldron. Head upstairs to find the terminal for entering the codes. Red Bricks Carrot Wands – AUC8EH Character Studs – H27KGC Character Token Detector – HA79V8 Christmas – T7PVVN Disguise –