My Favourite House Escape

My favorite house Escape is another point and click room escape game developed by The Escape Games. Hi everybody, this is my favorite house. I will come here occasionally. But this time i came here. While I am seeing the house I heard the sudden sound from door. It seems the door has locked by someone. So, I decide to catch him soon. So, I have to escape from this house. So help me to find out the key. Have a fun. Good Luck.