E1: Conceal the number window and let the animation run at 1 step per second, and for a maximum of 5 points.

Do you always recognize the number of points without counting or scanning?

E2: Increase the speed − which makes counting more difficult. Do you experience a great difference?

E3: Increase the maximum number and test where your limit of secure perception is at different speeds.

E4: Test if you perceive this limit consistently or just when the points form a regular pattern.

E5: Let another person control you.

E6: Draw a diagram of the number of true hits as a function of the maximum number of points, and another one of the dependence on speed.

E7: Let your friends bet on their maximum, and show them their limit.

E8: Try to draw conclusions on what your findings mean when applied to the teaching of young children.