An optical illusion is a riddle where the viewer perceives the image differently. These illusions come in a variety of types, such as puzzles, word riddles, jumbled words, hidden objects, crossing ...
The term "20/20 vision" refers to how sharp your eyes are when you look at a standard eye chart (Snellen chart) from a distance of 20 feet (or 6 meters)—depending on where you live. In the United ...
Word searches test vocabulary, observation, and intelligence. Solving word puzzles enhances vocabulary and concentration skills. Find the hidden word in 7 Seconds! Word search puzzles have become one ...