Creative Crafthouse Calibron 12 - Impossible 12 Piece Wooden Brain Teaser for Adults - Very Difficult Wood Puzzle - Made in USA
Product information
$38.99
Product price and availability are accurate as of January 21, 2026 at 12:25pm and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Additional details
Features
Simple concept, near impossible execution: The goal of the Calibron 12 is to fit all 12 pieces into the large opening of the puzzle's base. Many will try, but almost no one will be able to solve this puzzle. We do provide a solution and instructions. PRECISION CUT WOODS - Made from high-quality woods including Ash, Maple, Walnut, Oak, Mahogany, Birch, and more. At least 4 different woods used in each puzzle Perfect gift for your favorite genius and puzzle lover - Due to the extreme level of difficulty this puzzle is perfect for the very smartest of your friends and family. Ideal for the Dad who has everything or your engineer sister. Handmade in the USA - Creative Crafthouse makes every Calibron 12 wooden puzzle right here in our Hudson FL workshop. The square opening is about 6.3" x 6.3" with 1/4" thick puzzle pieces cut from various different wood types. Unique history and puzzle origin - The Calibron 12 was originally designed by Theodore Edison, son of inventor Thomas, in 1933. A brief history is laser engraved on the frame making it perfect for puzzle collectors and history fans.