a really nice but not too hard 3-piece board burr from Oskar van Deventer... Beautifully made by Tom Lenschbuyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

this beautiful 6-piece puzzle assembles along one axis and is serially interlocking amonst the halves of thepuzzle. Very difficult.buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

this is simple rhombic-dodecahedral box designed by Akio Kamei, very similar to Bill Cutler'sCrooked Box... Comes apart on one axis...buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

from cubicdissection.comWith an earlier appearance in water cut plywood by Maati Linkola as his IPP24 exchange puzzle, Squarrel is very typical of an RKB design. Six extremely simple looking pieces interlock with a single, high level unique solution to form a very creative and unconventional puzzle shape. The efficiency and creativity of Ry's designs make them a joy to produce and offer to the puzzle community! buyer is responsible for all shipping expenses and money transfer fees (includ...

A Drive Down Lombard Street, 2009 Exchange puzzle at IPP29. A very well-made puzzle from Brian Young of Mr. Puzzle, the object is to guide a marble through a maze that has sliding pieces moved by gravity (tilting the box) which make up the marble's path. Not only do you have to pay attention to the ball falling down into the lower level (thus making you start over), but you have to slide the bits around to give the ball an erratic path toward the goal. Fun, but one more puzzle that I have to giv...

The object of this puzzle is to remove the lock

8-piece interlocking block puzzle; signed, numbered, and dated.

This is the One Piece Packing Puzzle, designed by Simon Nightingale and crafted by Eric Fuller. The goal is to get the cube to stay put in the box, and then, to take it back out. The puzzle is in excellent condition.

This 1971 puzzle / game from Parker Brothers includes 15 games for 2-4 players and 7 solitaire puzzles. The large, plastic board has pieces in one of four colors that are put into slots, with four slots per wheel, but wheels overlap so each piece is a part of two circles; turn one circle and it changes the color in the other circle, "Rubik" style. The wheels neatly click into place. <p>Some of the games and solitaire puzzles include The Herdsman Puzzle, Binary Star Puzzles, Orbit Solita...

from Jaap's Puzzle PageLuminations is an electronic puzzle in the shape of a tetrahedron, made by Random House in 1989. It has three coloured lights (red/green/yellow) at each of the four corners. There are 5 playing levels. Which level will be played depends on which corner is pointing up when the puzzle is switched on, and level 5 is only accessible when level 4 has been solved. When playing the game the corners will show various colours, and they change (depending on the level) when you rotat...

pieces make either 3x3x3 cube + 4x4x4 cube + 5x5x5 cube, or they all assemble to make a 6x6x6 cubecomes with plastic box which has tears in in.buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

this very easy puzzle is more a work of art. cut from a single piece of wood (at least the ball was), it disassembles into 8 pieces plus the cup. very nicely madebuyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

from cubicdissection.com:This is a fantastic puzzle design. I wish I had made more copies of it! With a staggering 10,800 solutions and only 4 constructable, it is decievingly difficult to solve...it's easy to get all but one piece together, but that last piece is the trick! It is a very fun puzzle to solve and displays very nicely because of the interesting joinery on the edges. Crafting this puzzle was a challenge, which is why the price is a bit higher then I would like. However, I thi...

I wish I knew exactly what this puzzle is...it is a 4x4x4 interlocking cube puzzle bought from Pelikan... it is very tight,so hard to disassemble... If there is time I will get it apart and get pictures of the pieces...buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

This is really two puzzle in one, first, you have to open the box (fairly easy) and then you have to assemble the pyramid from the pieces inside. It weighs about 1.75 lbs, so it's fairly hefty. Designed and made by Thomas Beutner for the IPP29 Exchange.

Here is Sonneveld's Three-Piece Burr, designed by Dic Sonneveld and crafted by Tom Lensch.

this 3-piece burr + frame was a design competition entry at IPP26 in Boston, MA...It takes 13 moves to remove the first piecebuyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

this is a very nice 3-piece burr puzzle, taking 8 moves to get the first piece out.It was Eric Fuller's exchange puzzle at IPP26, and was designed by RKB...buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

Beautifully made of Walnut and Zebrawood, this puzzle isn't very difficult but sure looks stunning. Made by Interlocking Puzzles. Thanks to Derek for the correct information! Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% for paypal payment.

Three Open Windows, 3 interlocking pieces with all 8 of the center cubies open (thus, you can see clear through the puzzle on all 3 axes), which was the main design constraint. Not trivial, but not too difficult. 29 copies made by Fuller.