Studio8 - Uniting the Arts

place 10 random objects on a surface where you can see all of them
look at them for 10 seconds
close your eyes
and remember what the objects were
you can increase the difficulty by using objects which are more similar in aspect
or by reducing the time limit, or increasing the number of objects
the game is said to increase one's memory

Indigenous peoples are said to be better at such things than white folk. Adaptation and such -- having to remember objects in barron environs.