Locked Bedroom

You had gone to another city to buy Christmas gifts and presents for your family and finally you are back. But where are the other family members? They must have gone for the carol singing in the neighborhood. Oh, why did they have to lock your bedroom while leaving all the rooms open. Could it be some kind of a prank? Well you are too tired for these things but there is no choice but for you to look around to find the key to your bedroom. Pick up all the items and clues by searching the house and use them to solve the puzzles arranged by your family members.