He was credited with inventing the jigsaw puzzle in 1767, and they would mostly be used as teaching aids until the early to ...
This brain teaser is a true IQ test! If your IQ is above 120, you might be able to figure out which kite the girl is holding.
Here is a brain teaser in the form of a video posted on Facebook by @The Gooch which challenges you to figure out how many eggs are left after breaking one, cooking one, and eating one. Can you solve ...