Wooden Block and Pin Puzzle
A co-worker dropped off a small (key chain version) of this puzzle on my desk. I looked at it and thought with only 7 pieces, this should be a breeze. However, I soon found the puzzle very challenging due to the number of potential wrong solutions and the required order of operation during assembl...By: mtairymd
Continue Reading »
from Instructables: exploring - featured http://ift.tt/2naa2CD
via IFTTT