Fidget Puzzle Box, No. 6 decor this wonderful book has inspired

this wonderful book has inspired generations of mathematicians

Hand assembled in Maryland

The pattern is maddeningly difficult to decipher

this double-sided 139-piece puzzle can flip inside out on itself and continue seamlessly

Inspired by the work of Buckminster Fuller

Fidget Puzzle Box, No. 6 decor this wonderful book has inspiredOnce you figure out the trick to this box, it really is quite easy to open Until then, you might fidget all day without unlocking the secret. The handsome walnut exterior looks great on any desk or coffee table and the hidden chamber inside is perfect for stashing treasures. Simple enough for beginners but challenging for experts as well. About 2" cubed.