Fritz's Brush Management System. Also in the boy's bathroom. It's a plastic test tube holder and test tubes. I have no idea why we (already) have THREE toothbrushes in it.
Not convinced? Let's look inside. Yup, fish.
Mission Control for the Spaceship Wyse. Noah was very worried that Mattias lacked proper operating skills. Thus, Noah located everything so high on the wall that even he himself needed to jump to operate. (Except for the foot pedal barely visible by his right foot.)