Chapter 44: Alone in the Lab

The professor has left you alone in the lab and there is portal that will take you back to Earth, but were you paying enough attention to the professor to know how to open the lock (episode 43)?

• A Colorful chemical puzzle - A look at how chemical locks work.
• Stripping away the challenge - The solution for this episode.
• Making Chemicals strip - Coding the chemical strips.
• Making A chemical mixing machine - Turning the chemical strips into keys