About This

• 100% Wood
• Precision assemble twelve non-identical pieces into a cylindrical shape
• Powder Keg: A Best Selling Wood Brain Twister Puzzle,manipulative puzzles for adults and kids. The internal structure of these 3-D puzzles are engaged, very artful and delicate. It looks simple at your first sight, but when it take apart you will feel very puzzle to reassemble
• Every piece is completely unique, handworked from premium grade, fully wood
• This intelligence toy can not only exercise brain, also can easily be used as a decoration in a den, family room, living room, working table, office or waiting room