Some ideas are better felt than explained. In each of these the effect happens to the student, and their own response is the lesson. Here are a couple to try on yourself.
Each opens as its own self-contained page you can try in a minute.
Watch a growing run of squares and tap it back. Feel how few things you can keep in mind at once.
Open the demo →Solve a logic puzzle, then meet the same logic as an everyday rule. Feel your reasoning slip on the abstract one.
Open the demo →