Safecracker 50 Wooden Math Brain Teaser | Difficult Puzzle for Adults escape room puzzle but this in itself can

but this in itself can be a goal

this set is designed for easy storage and display

and objects

A great choice for Christmas

More Than a Puzzle - A Work of Art

Safecracker 50 Wooden Math Brain Teaser | Difficult Puzzle for Adults escape room puzzle but this in itself canSafecracker 50 is a handcrafted wooden math brain teaser designed and built by Dave Janelle and the family workshop crew in Hudson, Florida. Five rotating rings (one base ring plus four top rings), laser cut from maple and cherry hardwoods, with deeply laser engraved numbers. The goal is to align the rings so each of 16 vertical columns sums to 50. There are exactly 1,048,576 ways to align the rings (over a million). Only one is correct. Palm sized at