Exchange puzzle for IPP26 by Walt Hoppe. 12 moves by four pieces are needed to remove the first piece.

Place all six pieces flat in the tray. With original acrylic box.

Stewart Coffin #118. Exchange puzzle for IPP17.

Puzzle with red, green and blue moving balls. Exchange puzzle for IPP17.

6 identical pieces assemble with coordinate motion. IPP17 exchange puzzle. Very challenging dexterity puzzle. Stewart Coffin #113.

4x4x4 cube consisting of 11 pieces. IPP17 exchange puzzle. 16 page booklet included with different puzzle solutions.

This puzzle was made by Steve Strickland and designed by Theo Geerinck.The cube in the picture is 1inch cubed.

A six piece burr designed by Bill Cutler and made by Jerry McFarland.Used as an IPP29 exchange by Bill, this puzzle is in excellent condition, with a good tight fit.3 colours of wood used

A Kumiki style puzzle made by AniPuzzle. This is made form some kind of hard plastic.The cube in the picture is a 1 inch cube for size comparison.

From the 1993 IPP an impossible playing card made by Angus Lavery and given away by Edward Horden.

This puzzle in the form of a honey bee is from the General Symmetrics company.6 wooden parts and 4 marbles.

This puzzle in the form of a Tarantula is from the General Symmetrics company.

This puzzle in the form of a Butterfly is from the General Symmetrics company.

This puzzle in the form of a Guitar is from the General Symmetrics company.

A golden metal puzzle from Japan. 6 pieces form a sphere. In original box with instruction leaflet

A metal sphere made up of 7 pieces.

From IPP25 a take apart puzzle form Frank ChambersThe puzzle is to separate the two "Granite" pieces.With original instruction sheet.

Open ze BoxThe "Wow" factor awaits you inside.An exchange form Stephen Chin at IPP29

A sequential discovery puzzle box.

A wooden trick box from Hideto Sato