Napoleon
Which piece is not from this image?
Test your memory
Look this image for 15 sec. Than, close your eyes and try to recall as many objectsas you can.
Which yellow circle is bigger?
Can you tell which yellow circle is bigger?
Cat or mouse?
What is that you see first?
The Stroop Effect Experiment
The reading of a given word can be strongly influenced by the colour of this word. See how.
Sequencer
Classic game in which you try to repeat longer and longer sequences of colored lights
Sunset
Which piece is from different image?
Hearts
Which piece does not belong to the big image?
Fruits
Which piece is from a different image?
The indians
Help the indians to find the odd piece.
The boy's shadow
The shadow of this boy has 5 mistakes. Can you find them?
Ducks' game
Try to find which one is the missing piece.