Impossible Puzzle For Adults, Martins Menace Wooden Brain Teaser, 4 Piece Puzzle, Extremely Hard Puzzle, Difficult Puzzle, Birthday Gift

An extremely hard puzzles for adults – the Martins Menace wooden brain teaser.How can a 4 piece puzzle be so difficult??. All you have to do is insert them into the frame? It is a Stewart Coffin design (#217) originally called ?Four Fit? but renamed by Stewart after Martin Gardner?s week long efforts to solve it were in vain. Martin Gardner (1914-2010) is considered the Father of Recreational Math with perhaps the greatest puzzle mind of the 20th century. Martin called it ?The finest dissection puzzle of all time?. The ?? thick pieces are precision laser cut and set unsolved into a floorboard base. The base measures 5.8? x 3.8?Note we also have available under a separate listing a larger size, a bit fancier version of the puzzle with base and cover.Made in USA by Creative Crafthouse under license from Stewart CoffinNote: This is our only puzzle where a solution is not provided, but can be obtained upon request at time of or after purchase.Explore more from Creative Crafthouse:Etsy Shop: https://creativecrafthousefl.etsy.comInstagram: https://www.instagram.com/creativecrafthouse/Facebook: https://www.facebook.com/CreativeCrafthouseYouTube: https://www.youtube.com/user/dj51floridaPinterest: https://www.pinterest.com/CreativeCrafthouseFL/