Puzzles are often claimed to increase intelligence, IQ, or prevent cognitive decline. But what does research really say? There is some evidence of benefits in memory, attention, and processing speed. In India, this dialogue is especially relevant given exam culture and cognitive health in old age.

Beyond flat puzzles or paper/board, 3D puzzles and mechanical puzzles create more immersive, tactile challenges. They require different kinds of spatial awareness, patience, and skill. In India, they’re niche but growing among enthusiasts and hobbyists.