Set

Find a trio of cards where every feature — number, colour, shape, fill — is either all the same or all different across the three. Spot sets as fast as you can before the clock runs out. Trains feature-binding and visual reasoning.

Trains: Feature binding · Category: Logic & Puzzles

How to play: Set is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

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