[Source:  Medical Express]

They’ve been used as an educational toy for hundreds of years and are thought to develop skills such as hand-eye coordination and problem solving.

But little has been known about how children learn to do jigsaw puzzles.

Now, new research led by the University of East Anglia (UEA) has put jigsaw puzzles to the test—and found that children only learn to do them once they have reached a certain stage of development.

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