1. Look in the white drawer to the left of the door and get the can of dog food.
2. Look underneath the white drawer on the right and get the screwdriver.
3. Look inside the paper shredder and take some shredded paper. Then you'll see something blue (glue) inside which you'll also pick up.
4. Pick up the binoculars on the white boxes.
5. Use the screwdriver on the binoculars to get a telescope lens. Use the glue on the shredded paper to get one solid piece. Put the lens onto the magnifying glass then put the paper in the microscope.
6. Press the microscope and you'll see the numbers 5489.
7. Enter 5489 into the safe to get the can opener. Use the can opener on the can of dog food to open it.
8. Put the dog food into the dog bowl.
9. Pick up the key where the dog was sitting and use the key on the door.
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