Double Trouble String Puzzle | Stocking Stuffer nerd gift explore Alexander's "Dual Brain Games"

explore Alexander's "Dual Brain Games" YouTube channel

and with the help of Ken Irvine of NJ

none can point at each other

Beyond the cube

or replace

Double Trouble String Puzzle | Stocking Stuffer nerd gift explore Alexander's "Dual Brain Games"Can you separate the 2 pieces? They seem to be hopelessly locked together but of course it can be done. A fun string puzzle that is quite easy when you know what to do, but few find the solution quickly. Woods used are 1 4" thick hardwood nicely finished. Model shown is mahogany, but we may vary woods that could include walnut, maple, oak, cherry, or ash. Pieces measure about 3 3 4" x 1 5 8" and the wood balls are about 1" diameter. We make a few