Issue 25 "Magic edges"
In this issue, the details for the assembly of 3 cubes with 7 sections applied to them.
Each of the 3 cubes can be useful as a visual aid for solving mathematical problems.
Green has three cross-sections - in the form of triangles and a regular hexagon
The white cube has two cross-sections - in the shape of a rectangle and a square
The red cube has two cross-sections - in the shape of a pentagon and a rhombus