Rizal was Rex's first sequential discovery puzzle and is a great introduction to the genre. While not terribly difficult, it is tricky and has an elegant solution.

Bovril (color and square puzzle) was Harold Raizers exchange puzzle at IPP 19 in London, 1999.Put the 5 pieces in the square tray, so that sections of the same color do not align..This puzzle is very nicely made of different woods (single wood pieces laminated with 3 different types of wood).it is more beautiful than difficult. A perfect puzzle for your NPSO.

'Easy to play with' was Ray Meads exchange puzzle for IPP19 in London, 1999.6 equal pieces assemble into a burr, an 'offset board burr'No specific instructions were included, making finding the final shape part of the challenge.Two copies are vailable, listed separately. They are in equally good condition.

Two challenges:  assemble 6 and then 7 pieces into a burr.Description from Cubicdissection website:  https://cubicdissection.com/collections/all-puzzles/products/hyperboloid-burr-puzzleBuyer to pay Paypal fees, if any.Buyer pays actual shipping by whatever method he/she chooses.

Osanori Yamamoto and Pelikan combining to produce another fine puzzle.  Kevin Sadler wrote on the Pelikan website :-“Inner cube 2 is one of many many designs by Osanori Yamamoto. It is the second using an ingenious cubic external frame with interior pieces that appear to form a complete cube within the frame. The aim is obviously to disassemble the cube and remove it from the frame. This puzzle is gorgeous in contrasting Wenge and Padauk and with level 8.3.6.4 should not be difficult. This is...

6% paypal fee is paid by the buyerShipping is calculated after auction is closed.Edward Hordern IPP Puzzle Exchange - Washington DC, August 2012IPP Design Competition 2012 Jury First Prize WinnerPresented by Matthew Dawson. Designed and made by Brian Young @ Mr Puzzle.The challenge is to work your way through the puzzle to find the barrel of oil.You've inherited this oil well from Uncle Bubba who plugged it in a very tricky way back in the 1960's when oil was selling for under AU $3.00US $2.30 a...

GoCube Edge full pack.  Cube, charger, stand and pouch.  I purchased this about 6 months ago.  Just like in the 80's I'm still not a cuber!!  Only been used twice.  It is complete with paperwork and in perfect condition.  Buyer to pay actual shipping and Paypal fees.

Split Maze Burr by Derek Bosch.  Never been played with past sliding one or two pieces.  The tool is inside of the puzzle per Cubic Dissection.  Comes with a brand new 50 solution book by Derek Bosch.  61 copies released and sold out.  Puzzle is in perfect condition.  Buyer to pay actual shipping and Paypal fees.

Chess Cubes was Peter Hajeks exchange puzzle at IPP 19 in London, 1999.The fancy black&white box contains two cubes, one white and one brown plastic. Each cube is a 3x3x3 assembly of a full set of chess pieces, which partially interlock to form a cube. To complete the cube, one single voxel piece is added.3 puzzle challenges are described on the informatin sheet, as shown in a picture. Besides being part of an interesting assembly puzzle , the pieces can also be used to play an actual chess ga...

Variation on a theme was Simon Dickersons exchange puzzle at IPP 19 in London, 1999.You will immediately recognise the tangram shapes, but...... on closer inspection several pieces are different, having some corners cut off.And that parallellogram is a misfit, it is too large! What is going on here?Don't panic, just pack the 7 pieces in the square tray.This is a great puzzle to hand someone after they solve the tangram square. 

Japanese Wood Joint Burr was Frans de Vreugd's  exchange puzzle at IPP 19 in London, 1999.A.k.a. The Barbed Hook Burr.This puzzle was derived from a classic joint in Japanese wood construction, called "Double faced halved rabbeted oblique scarf splice with key".It has a unique level 11 solution, and burrtools will not help you out!  

Set of 3 Puzzles made from Bamboo1. Burr Puzzle (in original packaging)2. Pyramid Puzzle (solution included)3. Star Puzzle"Ethically made and distributed by Relaxus Products, Vancouver BC, Canada"

Wooden burr puzzle from PENTANGLE, Wallop, Hampshire, England. Measures about 3 x 2.5 inches. Comes with plastic container and solution.

This lot includes three different puzzles.Oskar's Cube The object of this plastic puzzle is to find the route to move the shuttle through the three-dimensional maze. The red, white, and blue cube measures approximately 2 1/4 inches to a side. Designed by Dutch puzzle inventor, Oskar van Deventer.Gordian's Knot The puzzle by ThinkFun has a copyright of 2005. It comes with a 78-page booklet with instructions for taking apart and putting back together. The booklet proclaims this is "The World's M...

Removing the nut from the washer allows you to empty the contents of the glass bottle. An even more difficult challenge is to reassemble the components inside the bottle. Copyright 1998 by Eureka Puzzle, designed by Ad van der Schagt, Netherlands. Measures approximately 8 inches tall and 3 inches wide. Solution included.Distributed by Bits and Pieces.

Set of three small wooden puzzles.

Set of 3 Wood Puzzles:Trapped Ball Take apart this puzzle consisting of numerous rods pegged together to free the large marble inside. Then reassemble. Measures approximately 4 inches across.12-Piece Burr Interlocking puzzle comprised of 12 parts each measuring approximately  5/8" x 5/8" x 3" 51-Piece Pagoda Fifty-one notched sticks .5 inches thick vary in length from 1.5 to 5.5 inches. Comes disassembled. Solution included. Manufactured in Taiwan and distributed by Bits & Pieces.

This lot is comprised of four puzzles which look to be made out of exotic hardwood, or "rainforest" lumber:Moving Room Puzzle This take apart wooden puzzle measures approximately 3 inches to a side. Made in Thailand by Siam Mandaly.Six Piece Burr Puzzle Copyright 1993 by University Games Corporation, Burlingame, CA. Sold as "Samurai Crossing" part of the RAINTREE PRODUCTS collection. Includes base for holding puzzle and an information sheet. Pieces are approximately one inch thick and three i...

Puzzle involves shuttling slider bars back and forth to move the colored marbles into desired patterns. Measures approximately 7 inches by 6.5 inches and 1 inch thick. Comes with original packaging and a 20 page booklet with 50 challenge patterns. Copyright 1993 by Binary Arts Corporation.

Cubic Dissection has put out some great puzzle boxes recently.  This box is beautiful, challenging and a ton of fun.  Perfect condition.  140 copies made and sold out.  Buyer to pay actual shipping and Paypal fees.