The Pencil Sharpener Museum in Logan, Ohio is open again, and the 5,000 sharpeners in the collection are now housed in a new building at the Hocking Hills Regional Welcome Center.

This is the world’s only Pencil Sharpener Museum and it includes 4000 pencil sharpeners collected by the late Rev. Paul Johnson, plus a new addition of 1000 pencil sharpeners donated by the family of antiques collector Frank Parades, who discovered pencil sharpeners dating back to the 1800s.

Here are some of our favorite images of pencil sharpers from the collection, but we’re sure sharp-eyed visitors will discover their own.

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