Tell a friend
Turning wheels (NEW)
See the green wheels turn and turn and turn and turn and ....
The strobo (NEW)
Look at the picture and see the dots flicker.
Turning wheels
Focus on the dot in the center and move your head backwards and forwards.
Math for beginners
If all the shapes that form these two rectangles below, are of the same shape and areas, how come the overall surface of the second is bigger?
Stress
Take a look at this beautiful waves. But don't look for to long.
Crazy wallpaper
Nice looking wallpaper for the living room
Brain conflict
Look at the chart and say the colour not the word.
Beautiful girl?
Old woman ... or young girl? Hint: The old woman's nose is the young girls chin.
Rolling cilinders
Old woman ... or young girl? Hint: The old woman's nose is the young girls chin.
What are they doing?
People climbing .....