What is Keplers Planetary Puzzle?
Master this challenging wooden brainteaser from Professor Puzzle - Keplers Planetary. Can you separate the pieces and rebuild the puzzle? A major figure in the 17th century scientific revolution, Kepler published his Laws of Planetary Motion in 1609. He was instrumental in debunking the long-held view that the sun orbited the Earth. Difficulty rating: 4 out of 5. Age 8+ years.