Sweet Gum Tree Seed Pod, Witches Ball, Witches Burr, Alligator Wood, Qty of 50 - Etsy
Monkey Balls | Otherwise known as Osage Oranges and Hedge Ap… | Flickr
The Monkey Balls of Pittsburgh - The Incline
What are these? They were all over the ground near a tree in Georgetown. : r/washingtondc
Cleveland Metroparks - You can't walk the path alongside the prairie in Brecksville (or in my backyard) without stepping on these conspicuous spiky balls. I've heard people call them monkey balls, or