Trowel, the best tool in the world. At least if you ask Dr. Henry Dijon. But who has took it from his backpack? This is a mystery to solve.
This is the low-spoiler guide for "The case of a missing trowel" puzzle in Mutropolis. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.