Working productively over night to finish our product.
It is a box that contains some kind of reward inside (e.g. a cookie). The hinge of the box is connected to an Arduino that is connected to a server. When a user's productivity bar is filled, then the box will open.
Interdisciplinary work is the best.
Working with people from different studies help me realize my own skills as a designer. I also learned that it is helpful for a developer when the designer knows the basics of coding so that you in your design can implement solutions that don't require them to have to code too specific stuff. And also, data scientists have a very different atmosphere and culture than we do on my studies. They are very pragmatical, and it can take some effort to convince them to be more creative.