Reader William Walkington devised this “hollow” cube of order 4, each of whose faces is a magic square that draws on numbers from 1 to 56. The lines of four numbers in each row, column, long diagonal, and even some of the broken diagonals, produce the magic sum 114. Further, remarkably, when the figure is “scrambled” like a Rubik’s cube, the result is often another magic box cube:

For more information, see his site. (Thanks, William.)