Puzzles, etc...
Websites
Puzzles
- The professor and company...
- The missing square
- Strange dissection
- Dichotomy Island
- The light bulbs
- A little arithmetic
- The 12 snooker balls
- Bruler des ficelles
- Chapeaux noirs et blancs
- 9 people
Optical illusions
- Count the black dots
- Are the lines horizontal? Are they even lines?
- Flower power
- Spiral?
- Moving spirals
- A weird "rotating" picture
- Strange
perspective