Drawer stackable boxes

A lot of different type of boxes with magnet holes inside.
You should pause and place magnets in it (instructions below).

All boxes are made in a grid 50x50, so you can put them in a grid.
Almost all of them with double bottom.

This types are available (sizes given in a grid scope):
- SD card box (1x1)
- Pen box (4x2)
- Credit card box (2x1) `Card-box`
- Box with corner section (3x2) `medicine-box`
- Square box (2x2) `box-2x2`
- Small rectangle box (2x1) `box-2x1`
- Big rectangle box (3x2) `box-3x2`
- Flat box (1x1)
- Flat long box (2x1)