Great Minds Da Vinci’s Ball Bearing’s Puzzle by Professor Puzzle

Develop problem solving skills with Great Minds Da Vinci’s Ball Bearing’s Puzzle by Professor Puzzle. It is an intriguing wooden puzzle. Can you make the ball bearings sit at opposite ends of the puzzle? Leonardo da Vinci (1452 – 1519) conceptualised the first helicopter. He knew that the propellor on his helicopter design would need to rotate extremely fast for lift off and that he would need to find a solution to the friction problem. Ball bearings together with a lubricant would significantly reduce friction, greatly increasing the propellers speed. Although the use of ball bearings was known to the Romans, it is Leonardo da Vinci who is generally credited with their invention. This puzzle has been bought by a UK university engineering department for all their students to learn physics principles. Age 8 years -adult. Educational Benefits of Great Minds Da Vinci’s Ball Bearing’s Puzzle by Professor Puzzle: develop problem solving skills develop logical thinking develop fine motor skills ignite an interest in history and science Dimensions of box: W 9 x H 6.7 x D 5.3 cm Difficulty Rating – 4 stars out of 5.