twisty puzzle

For sale: RARE twisty puzzle 1980s Russian twisty FILL THE CIRCLE "telephone" style marble puzzle brand new never opened, still sealed (USSR / Russian) from the 1980s.(1987) hard to find and great for a collector. in excellent condition, stored away in plastic airtight container. Russian...

I am filming a documentary (as part of a course at my educational institution), on the History of Twisty Puzzles. I would first like to define a twisty puzzle, and give definite examples of what do (e.g. 7x7x7), and do not (e.g. Jigsaw) fit the definition. I would then like to talk about the...

I am looking for a ghost cube used is fine and actually preferable. If you have one and want to sell i am looking for the blue metallic ghost cube but i will settle for any of the other colors. I am also looking for the older black bodied ghost cube. If you want to contact me email me at...