Master this challenging wooden brainteaser from Professor Puzzle - Da Vinicis Helicopter. Can you take the Helicopter apart? When solved, the puzzle will be in three separate pieces. Known as the Universal Man, Da Vinci is widely considered to be the most diversely talented person to have ever lived. Among his many achievements, he made important discoveries in engineering and anatomy. Difficulty rating: 3 out of 5. Age 8+ years. Distributed in New Zealand by Holdson.