Source google image: https://4.bp.blogspot.com/-3Y7vMPfeG58/WDreS7NBuGI/AAAAAAACWv8/dlbA22PJB7At5hsnirP9_27bhvbcQjzngCLcB/s640/Gears%2BLogic%2BPuzzles%2BRPM%2BLevel%2B1.jpg
Gears logic puzzle
Source google image: https://4.bp.blogspot.com/-3Y7vMPfeG58/WDreS7NBuGI/AAAAAAACWv8/dlbA22PJB7At5hsnirP9_27bhvbcQjzngCLcB/s640/Gears%2BLogic%2BPuzzles%2BRPM%2BLevel%2B1.jpg