Pay in 4 interest-free payments of $17.75 Learn more
Ships within 48 hours · Estimated delivery Oct 26 - Oct 31
These boys ain't ever coming apart
It makes a perfect sextet with its five predecessors and completes the set
From the thousands of possibilities
This set includes three interlocking puzzles
) a little more than for our other puzzles
Tetrahedrane Puzzle Brass Monkey Original Design These boys ain't ever comingTetrahedrane is an easy assembly puzzle, first designed and prototyped by Oskar in May 2009. It is, of course, our brass and stainless steel take on Oskar's 3D printed puzzle "Screwballs". The puzzle has six identical stainless steel rods with right and left handed threads at the end, and four different vertices, each with three threaded holes. The object of the puzzle is to assemble a tetrahedron. The puzzle comes assembled and stands around 60mm
