UPDATE: here’s a neat challenge from the 2007 Smart-Kit archives!
There are many clown faces in the picture below, but only 3 are sad/frowning. Can you find them all?
Click on image above to jump to high resolution.
This makes a good printable puzzle for kids if you ask them to find just 2 sad clown faces; most adults however, will have a hard time finding all 3.
Answers to this puzzle can be entered into the section below; submissions will automatically be revealed when time is up!