Assemble six blocks and three blocks into a cube.
Slothouber-Graatsma Puzzle
See also
Box-Packing Theorem, Conway Puzzle, Cube Dissection, de Bruijn's Theorem, Klarner's Theorem, PolycubeExplore with Wolfram|Alpha
References
Honsberger, R. Mathematical Gems II. Washington, DC: Math. Assoc. Amer., pp. 75-77, 1976.Referenced on Wolfram|Alpha
Slothouber-Graatsma PuzzleCite this as:
Weisstein, Eric W. "Slothouber-Graatsma Puzzle." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Slothouber-GraatsmaPuzzle.html