1. When the robot leans back slightly, pull the chair leg to make it fall over.

2. While the robot is on his back, click the marble bullets to take them.

3. The robot will go over to the target board to pick more, click the robot to steal his key. If at any point you run out of time, you will automatically go back under the table so you’re not seen. Repeat step 1 and 2 again if this happens to get the robot over to the target board.

4. Throw the marbles on the floor.

5. Go to the locked control panel and use the key on the left lock.

6. This will prompt two robots to walk through, the guard will chase after them leaving the coast clear for you to escape out of the door on the left.

Next: The Observatory.