When we pay with cash, we put less cash back in our pocket. A real-time reminder that we’re slightly poorer than we were a few seconds ago. But after paying with a card, the card goes back in the clip looking exactly the same, leaving us with only a vague idea of what we have left. Some would argue that kids raised with an ambiguous concept of money management has promoted a mentality that has contributed to the current financial state of affairs in the world.

Here’s an impressive idea to combat that mentality and compel the younger generations to handle their biz responsibly. I highly encourage clicking through the product explanation, as there are design and product elements to keep things interesting.