Age 8+

Our top Adult Brain teaser Puzzles ! This is the UFO- Level 4 (6 being the hardest) This uniquely shaped puzzle really does look like a UFO. The sp...

Our top Adult Brain Teaser Puzzles ! This is Vortex - Level 6 (6 being the Hardest) The three pieces of this challenging cast metal brainteaser puz...

Our top Adult Brain Teaser Puzzles ! This is Chain - Level 6 (6 being the Hardest) The puzzle is unique in that it can be re-assembled in 3 differe...

Our top Adult Brain Teaser Puzzles ! This is Nutcase - Level 6 There are two goals to the Cast Nutcase created by the Dutch puzzle inventor, Oskar:...

Our top Adult Brain teaser Puzzles ! This is the Rotor - Level 6 (6 being the hardest) The stylish design of the interlocking pieces of the same sh...

Our top Adult Brain teaser Puzzles ! This is the Hourglass - Level 6 (6 being the hardest) This puzzle is created from two each of two types of pie...

Our top Adult Brain teaser Puzzles ! This is the Quartet - Level 6 (6 being the hardest) QUARTET consists of two interlocked square-shaped polished...

Our top Adult Brain teaser Puzzles ! This is the Enigma - Level 6 (6 being the hardest) See if you can figure out how to separate the 3 interlockin...

Learn how the DIFFERENTIAL works The Differential is an interactive puzzle kit to help learn and better understand the workings of a car different...