Copy and paste both of the following net onto cardboard. Carefully cut out the figure, then lightly score the reverse side of the internal lines, (to make folding easier). Glue together adjacent tabs.

The resulting tetrahedron represents the element: fire. Each face represents the “Book Sets of Fire” in the game app “Thwart”. Each Book contains 4 pages, (in italics).

book-sets-of-fire-1