Can You Escape this House 4 Level 4 Guide: Open the drawer on the desk and take the paper.
Turn on the desk lamp and look at the desk to see the clue "Teddy Bears x 2".
Can You Escape this House 4 Level 4 Guide: Go to the laptop and enter 06 for teddy bears. Enter 06 again for balls (blue + red - black). You'll get clue 81.
Enter 81 into box on the bed to get the door key. Proceed to the next level!