Pyramid wood puzzle
26 January 1995Standard Range version made from December 1995 to January 2010. 1497 made. All sold. Original Price: AU$6.95 The object is to make the tetrahedron from…

This is NOT an impossible object. With the correct sequence of 24 moves this interlocking burr can be disassembled. Two sets of 4 piece burrs interlocked together that make it appear as though you’re seeing double!