Can you find the 6 hidden words in this picture?
The Jewelry Box and the Ring [a riddle/puzzle]
The 3 Switches Puzzle (and solution)
Puzzle: What fraction is shaded?
The “Infinite Profit” Puzzle
A Visual Brain Teaser to Exercise your Occipital Lobe
Einstein’s Riddle: Are you part of the 2% that can solve it?
8 Marbles and a Balance Scale Puzzle