These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!
|16561||White or Blue|
|16565||Happy Birthday to You...|
|16569||Pablo the Wise Man I|
|16570||Birthdays Here and There|
|16571||You're Going Where!?|
|16573||The Early Bird Catches The Worm|
|16575||Wood, Paper, and Song|