Most people i know have played with it as a kid, not sure how globally spread these are these days, but as a kid you picked up one of the seeding balls and blew against it trying to get them all of with one single breath .
little did we know that we were actually helping the plant to spread it seeds.
And now when i look at the macro pictures i created of them i'm amazed again by the shape it is made of, Nature really does great things.
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images created with my Sony a6000 + reversed rokkor 28mm 3.5