Count Cubes

Please count the number of cubes in 15 seconds!
It is a problem of the type in question, such as intelligence test of elementary and junior high school students.

- Stereoscopic
- Arithmetic
- Mental arithmetic
- Reflexes

It becomes the practice to train the ability of such.

Clear each level the percentage of correct answers
Level 1 80%
Level 2 80%
Level 3 80%
Level 4 80%
Level 5 90%
Level 6 90%

It is great if you clear the level 6! It might be cleared by training little by little every day?
I think that it or have set quite tight in the adult brain training is basic, but it will be game requires judgment and capacity computing power basic, but please try.