More Illusions & Visual Oddities – Playing Cards

More Illusions & Visual Oddities - Playing Cards

More Illusions & Visual Oddities – Playing Cards Each card in this precision-made, American Standard deck of playing cards has a different optical illusion. 55 optical illusions, including Jokers. Each deck comes with a booklet which explains the optical illusions and effects.

The simplicity of jigsaw puzzles is deceptive. While the concept is very straightforward – find the pieces and fix them together – there is a surprising level of mental activity required to carry out the steps needed to complete a puzzle. Psychological studies have identified a number of thought processes that are required to undertake what is in fact a complex process of identifying shapes and images and relating them to an overall pattern. More importantly, solving jigsaw puzzles is a great work out for the brain and can actually have therapeutic benefits.

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