The world's smallest fidget spinner is 100 microns wide. It is smaller than the width of a human hair and is barely visible to the naked eye.
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200 Science Facts
RandomCOMPLETED ▷ ╰ 200 Science Facts ╮ If you want science facts, this book is for you. Enjoy learning!
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The world's smallest fidget spinner is 100 microns wide. It is smaller than the width of a human hair and is barely visible to the naked eye.
