Jane Street does not teach trading only through lectures and charts. In 2013, it designed a 40-card game called Figgie.
The firm says the game was designed to teach trading basics. Players buy and sell cards from four suits over a series of rounds, while only one suit ultimately carries value. The size of each suit gives partial information, but nobody begins with the complete answer.
You have to make decisions before certainty arrives.
A concept becomes something you do
That is the useful idea outside finance.
A lesson can define a market, a spread or incomplete information. A game forces you to act inside those constraints and then gives you another attempt almost immediately. Knowledge becomes behavior that can be adjusted rather than a paragraph that can be remembered.
Jane Street built an online version for its 2020 remote internship and later made Figgie more broadly available on web and mobile. The same preference for problem-solving exercises appears in the company's public puzzle archive, where Jane Street explicitly connects puzzles with the kind of creative problem solving used in its work.
There is an obvious limit. A card game is not a real market, and being good at Figgie does not prove someone can manage actual capital, clients or regulation.
As a learning object, though, it shows a useful design pattern: build a small environment where the important decision appears often, mistakes are cheap, and another round starts quickly.
When teaching a complicated craft, the useful question may not be only what information a beginner needs. It may be what miniature version of the job they can safely practice fifty times.