A lot can me known by putting together some rough ideas in the form of a model, even if it is not fully scaled. It lets the creator work out their ideas and helps to convey them to the rest of the team.
That said, all this thinking can be hard work, so we schedule in some much needed breaks, with snacks! The replenishment of the snack can was cause for much excitement. A current favorite is microwavable Mac and Cheese.