Home | Puzzles | Games | Illusions | Today | Sudoku | Fun Stuff
niveKenotS | Search | Random | New | Today | Log In
How many times does a coin rotate in rolling completely about another coin, of the same size, without slipping, whilst both are flat on a table?
Back to the puzzles...
This website uses cookies, for more information please view our privacy policy.
Design © Kevin Stone 2013 | About | Contact | Disclaimer | Links | Postcards | Privacy | RSS | Site Map | Use Material