Nice shape puzzle bottle from Eureka and Wil Strijbos! 

Sealed! Twisting Rings - A unique sliding puzzle with a mechanism that allows you to twist certain pieces in place

Oskar's Rising Sun Routefinding Puzzle - Works great! Some cosmetic wear

Think-A-Dot - Vintage analog computer puzzle -  Works perfectly! Comes with the 2 original balls and box (poor condition)

Hanui Puzzle IPP14 Yoshiyuki Kotani

Lockout Puzzle from the 90s I believe - Works great! 

Eric's Description: This excellent take-apart puzzle is the follow up to Pit’s 2004 “Key Puzzle” design. The original Key Puzzle used a binary locking mechanism. Tern Key ups the ante with a trinary implementation, yielding a hefty 134 move solution with four locks!Precision cut from solid cast acrylic and painstakingly hand assembled, this puzzle has a nice weight/feel, and will not be confused with cheaper mass produced take apart items. The construction uses contrasting press fit dowel...

Tiger - Electronic solitaire game - Works great!

Binary Arts Hexadecimal w/ Box - Excellent condition - box shows some signs of wear

Toyo Glass  : Mini SolitaireAnother rare Toyo Glass Puzzle. Made by Toyo glass as a promotion for Nikka Whiskey.The boxed puzzle weighs the same as 5  hamsters, including all the original packaging and paperwork. My SPH quite likes this puzzle. Have you ever seen two Hamsters in a wheel at the same time? Pandemonium. They prefer to play on their own so Solitaire is a perfect puzzle for a hamster. This miniature version has a ten positions layed out in a triangle. The hamster said I shouldn't ...

Very cool shape mod created using tiles - 3 sides have shapes in positive space, the other 3 sides have shapes in negative space - Interesting scramble and solve! One of a kind mod.

Very cool sticker mod on a 3x3 - Each face should have a different size circle!

Brand new! 

A superb sequential movement puzzle with a Gray code solution order 5, or about 125 moves to solveThis was used by Nick Baxter as his exchange at IPP23.A superb design well crafted by George Miller. Any fan of n-ary puzzles really should have this in the collection.Comes in it's original packaging!

A great sliding piece puzzle with two separate challenges (or four if you consider returning to the start position a separate challenge)A superb quality puzzle made by Walter Hoppe and used as an IPP exchange puzzle by Nick Baxter at IPP30.(where some of these puzzles tend to warp a little over time this copy is completely flat!)

Atomic Chaos - Marble sequential movement/dexterity puzzle

Quebarts Ltd.England - HEX Puzzle - Very odd design!With original packaging - Works well and in nice shape!

Orbis - Interesting solitaire game from Brainwright - Opened but only played with a few times - all original stuff included

Tricky Disky Twisty Puzzle - works great!

Lot of x2 routefinding puzzles of unknown originOne large leaf - very easy for children Interesting disc version with very odd moves