Open the drawer to the left of the bed and take the key.
Use the key to open the 3rd drawer (from the top) of the large white cabinet. Take the paper and read it: "Larger is smaller"
Open the drawer to the right of the bed and take the remote control.
Use the remote control on the TV. Count the number of sets of books in each color shown on the screen. Off White = 1, Red = 4, Dark blue = 2 You will get the clue: "Ant is larger than Lion, Lion is larger than Dinosaur".
Go to the screen next to the door and enter from left to right: Dinosaur, Lion, Ant. The order is backward from the TV because of the clue on the paper that larger is smaller.