The Sonneveld Cubed Burr was designed by Dic Sonneveld around 1998/1999. This puzzle is very challenging to solve. At first glance it would seem that the 3 piece burr cannot be assembled inside the cube because of all the interference points between the pieces. However, these are overcome by a series twists and turns of each piece to maneuver them into their final positions. The cube is of blue mahoe and avodire, the three burr pieces, granadillo and is an exception...

Ishino Keiichiro's Nested Burr Four, made by Eric Fuller, is a quality piece of work. The fit is so good it took me ages to find the first two moves! Thirteen moves to get the first piece out, then the fun really begins.

Information from Rainer Popp:T8 reminds of a antique "P" lock. It has 2 Tricks and no key. I am pretty sure that many people will like especially Trick 2! It weights 700g. Manufactured from Stainless Steel and Brass.

Information from Rainer Popp:The lock is designed in Stainless Steel and available in two versions. With Aluminum or with Copper rivets. A reasonably priced lock with only one trick. But not easy to solve.This version has Aluminium rivets.

Opening Bat, a sequential discovery puzzle from Brian Young (Mr. Puzzle)Limited edition No.45 of only 50.Information from Mr. Puzzle:Designer: Brian Young Three major locks and much much more. No gravity pins; no "bashing" or "tapping". Tools to discover for all steps in the puzzle.The name is The Opening Bat and that's exactly what you have to do; open the cricket bat to find all you will need to play test cricket and win that holy grail.By buying this single Limited Edition puzzle you're ...

The object is to separate the two halves. A difficult take-apart puzzle. #044

From the official description:RELEASED: 5.14.2014 PRODUCED: 75 Copies DESIGNER: Eric Fuller CRAFTSMAN: Eric Fuller MATERIAL: Quartersawn Sapele, Wenge veneer COMMENTS: This final installation of the Havana's box is the "Bruce" after my buddy who tends bar there from time to time. He's a smooth talker with a complex personality, and that describes this box pretty well. I brought the apearance of the box full circle to the first one, with the slight difference th...

This is Allard Walker's IPP 33 exchange puzzle. Open the briefcase and solve the puzzle contained within.

This "Crikey" Box by Kelly Snache is made from cocobolo and spalted maple, one of ten and in near-perfect condition.

Burry Joint was Bill Cutler's souvenir puzzle for IPP20 2000. It is 13 pieces and difficult to take apart with a unique locking method.

A disentanglement puzzle made by Brian Gray in 1991.

RELEASED:5.1.2011PRODUCED:~35 CopiesDESIGNER:Original Unknown, Variations Eric FullerCRAFTSMAN:Eric FullerMATERIAL:Ash, Walnut, Paduak, Bubinga, Sapelle, Metal, AcrylicCOMMENTS:I saw a picture on facebook of an interesting variation on the classic joint puzzle...Peter Wiltshire of canada had scored it on Ebay. I shot him a message and he was kind enough to lend me the original (shown on a white background below) so I could make some copies. When I got it in my hands, I started thinking about var...

RELEASED:1.16.2007PRODUCED:Approximately 24 CopiesDESIGNER:Robert YargerCRAFTSMAN:Robert YargerMATERIAL:Bloodwood or Leopardwood, Maple, PurpleheartCOMMENTS:Stickman Chopstick Puzzle Boxes are quality hand crafted from purpleheart, bloodwood and leopardwood pieces with rich maple inlays. Each box contains a pair of well-balanced and intricately inlayed chopsticks that come out individually as the external puzzle is solved. This box requires a minimum of 7 moves in order to remove both chopsticks...

No idea who made this but it's a pretty nifty streetcar that you can take apart. Obviously an IPP29 exchange puzzle. Did I say nifty yet? Good...This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

Sandfield's exchange puzzle from 2008 that got moved to 2009 because of a misdelivered package. Typical Perry McDaniel design trickery with excellent construction by Kathleen Malcolmson. I suppose you could call this a puzzle box because there is a small space inside with a penny in it. Goal is to get the penny out. Good luck! This is a very cool puzzle btw...This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class a...

RELEASED:12.15.2008PRODUCED:31 CopiesDESIGNER:Robert YargerCRAFTSMAN:Robert YargerMATERIAL:Monticello, Pauduk, Holly, Bloodwood and CocoboloCOMMENTS:The Stickman Sphere Puzzlebox ( No. 18 ) is quality hand-crafted by artist Robert Yarger out of monticello, pauduk, holly, bloodwood and cocobolo.The core of this extremely unique puzzlebox contains a single secret compartment. Its internal sphere can rotate like a gyro within its orbital cage, but it also consists of two half-spheres that can be tu...

From the official description:RELEASED: 3.7.2008 PRODUCED: 45 Copies DESIGNER: Eric Fuller CRAFTSMAN: Eric Fuller MATERIAL: Paduak, Quilted Maple, Aluminum, Brass, Steel, Acrylic COMMENTS: The idea for the mechanism in this box came to me months ago. I spent quite some time working out and prototyping the mechanism, which is completely unique. I showed the box to Jerry Slocum at the NYPP and he verified that the mechanics and solution have never been done before...

Hiroshi Iwahara's 2013 Christmas present

If I am reading the bottom right, I think this is #4 out of a limited edition of 5

this is a very nicely made puzzle by Hideaki Kawashima.not terribly difficult, but the movement is very tight.