Doors and Rooms chapter 6 stage 4. The children’s toy room.
Pick up the robot arm on the floor at the bottom middle. Pick up the paper from the green bookshelf. Open the bottom drawer on the green bookshelf for another paper. In the red toy trolley is another robot arm.
Tap on the robot pinball machine in the corner. You will see the numbers on the robot are layed out unusually. Remember this layout.
Observe the paper with three robot pictures in your inventory. Blue, green, green and both arms down. RBG, left up and right down and BGR left down and right up. Go to the robot on the left of the floor. Enter the colors first, then move the arms. Each time you do it the robot head will rotate. Once you have done all three rotations you can tap the robot head and pick it up.
Move to the robot in the middle of the floor with the 9 button holes. Attach the arms and head to this robot. If you observe the other piece of paper you picked up you will see a code. The code is 213597468.
Remember the layout of the buttons from the pinball machine and enter them into the robot. The robot will open and you can get the key. Use the key to exit the room.