B-MAT(ビーマット) | ２つの「考える」で学力センスを鍛えるためのシステムです。

Drilling is a key point and an important question for gaining the spatial perception.
It sometimes takes a quite long time to be possible to solve. However, since it will certainly be possible if you keep trying, do not give up.

If you cannot solve (cannot image) on a computer screen, as well as other training, tray the "With actual thing => in your head => with actual thing => in your head" approach again and again.

However, it is quite difficult to prepare the real model, draw a figure instead.
It is easier to picture when drawing figures which are decomposed in each step and thinking where a hole is made (although this figure is taught as a general skill to solve, it is used as a substitution for the real model since the aim here is to acquire a higher level of spatial perception. Hence, it is not possible to draw a figure on computer).
As above, since the drilling is difficult, it is recommended to start it after having developed the spatial perception to some extent in other menu.

Spatial perception