I found this trickier than expected, but a joy to solve with Wood Wonders beautiful choice of woods and craftsmanship.  What Brian had to say about this buikd:All I need to say is "Ken Irvine" and you know that this puzzle is great. Ken's designs are always amazing. This design had me scratching my head for days. It seemed so simple! What am I missing? Then one day, Aha!!!! Shipping calculated after auction - Combined shipping available.

Pyramida is a design that become almost an instant hit within the community for its fun and frustrating challenges.These particular sets are made of acrylic and machined Bloodwood with real stone balls: Red Jasper, Yellow Agate, Aventurine, and Sodalite. "Pyramida" is a multi challenge dexterity puzzle designed by Frederic Boucher  and produced by NothingYetDesigns. Goal: Create the shapes listed on the challenge sheet using the specified balls. Solved using dexterity only. 36 total chall...

Hidden Scroll - Bits and Pieces / Doug EngelFor international shipping, please inquire before bidding for approximate pricing. 

Volcano puzzle by Hiroshi Iwahara of Karakuri Creation Group. Here is information from their website: https://karakuri.gr.jp/en/products/co-14-2/ 

3D Packing puzzle designed by Stewart Coffin and made by Andy Manvell (2006).The goal is to fit the 5 pieces into the cubic box.It was brilliantly and deliberately designed to confound your computer software, hence its name...(IPP26 exchange puzzle from Marti Reis STC-193)After the end of the auction the final shipping cost will be calculated.Besides PayPal, Wise payment solution is also an option.SEPA bank transfer is also accepted (EU countries) and free.

Bashful Trick Lock Cigar Cutter SS Adams' Puzzle - 1920s AntiqueShipping will be calculated upon auction ending - buyer pays actual shipping. Ships from United States 

Impossicube - Bits and Pieces - Metal Interlocking Mechanical PuzzleWatch my overview and video solution here:For international shipping, please inquire before bidding for approximate pricing. 

Roc Key by Rocky Chiaro - Bits and Pieces VintageRemove the ring from the key. Comes with original box and solution. Very rare. Shipping will be calculated upon auction ending - buyer pays actual shipping. Ships from United States 

"Sliding Panels" is the 2022 Christmas Present by the Karakuri Creation Group's prolific founder and master craftsman, Akio Kamei.   Here is how Kamei describes the puzzle: "This work was designed as a Christmas present for 2022. Four panels move, but only two of them are keys.  It's a slightly different way of unlocking."The puzzle is as it was received in it's original Karakuri Creation Group Kamei signature box, and plastic bag.  Note that Karakuri Christmas presents do not come with solu...

"Clouds" is a 2D packing puzzle designed and produced by Abhishek Ruikar.Description from Abhishek Ruikar:The task of the puzzle is to fit all 9 clouds in the tray.Made from laser-cut acrylic. 

"The aMAZEing Puzzle Box" is a Lego built sequential discovery puzzle designed and produced by QuizBrix. Goal: Find the Golden Bar. This will take approx 30 steps to discover! Approx size: 2"x3"x4"Please wait until the end of the auction for final shipping costs.

"C1" is designed and made by CreativeWorkshop. Brief description from them: C1 (Cylinder #1) is a SD Cylinder Puzzle; The puzzle is locked up by 9 metal pins of different sizes. Your goal is to examine and discover where and how these pins lock up the puzzle. Using the two rings, move and navigate the pins to unlock the puzzle. The puzzle can be rotated and opened in the middle once solved revealing the centre cylindrical compartment of D:1.5cmxH:6cm (D:0.6"xH:2.4") in size.Warning: ...

Fixit, design by Doug Engel, with box and solution sheet. Made by Puzzle Makers International, aka Bits and Pieces (#07-7803). Object is to thread the bolt onto the nut at the bottom of the container. This is surprisingly less difficult than it looks. The wood on top of the puzzle is slightly split and tilted about 5 degrees, but has no effect on the function of the puzzle. See pix.Buyer to pay actual postage, which will be calculated after the auction.

S to G Maze - Puzzland Hikimi - NobExcellent condition - works perfectly - get the ball from S to GWatch my overview and video solution here:https://www.youtube.com/watch?v=58uFv81KZ_IShipping will be calculated upon auction ending - buyer pays actual shipping. Ships from United States 

This is a 3-piece vanish puzzle originally distributed by Chuck Sunshine, "The Math Magic Man."  The puzzle was designed by Chuck's sister Irene Friendman.  14 kitty cats change to 13 kitty cats.  The puzzle is in mint condition, in its original sealed plastic bag sleeve.I will ship within the US as a first class flat (likely $6.15 to $6.65, depending on postal code), and am happy to ship overseas at cost, but I cannot always guarantee that overseas packages can be insured or tracked.Thank yo...

Tricky tricky tricky, Andrew's tricky puzzle designs combined with Brian's craftsmanship - yes please!  What Brian had to say about the puzzle:"Andrew has briefly turned his attention to packing puzzles and boy was it a windfall for all puzzle enthusiasts. This is the Corner Cube from his ARCparent Series. I love packing puzzles and I hope all of these designs will eventually appear on my site at some time. Simple pieces that have to be packed into the simple box and boy this is a challenge. Be...

Pandora's Box, designed by Bob Janus, Bits and Pieces #07-6466. With solution sheet and original box.Buyer to pay actual postage, which will be calculated after the auction.

T-Party, Bits and Pieces #07-6702. With solution sheet and original box. Mfg 2004. Some mild dings along box edges.Note, case is aluminum. Color in the photo is a bit of due to local lighting.Buyer to pay actual postage, which will be calculated after the auction.

Curly Cube (metal) - Vladimir Krasnoukhov - Bits and Pieces #40125Buyer pays actual postage, calculated after auction.

Here is Rhombic Maze Burr which was designed by Derek Bosh and printed in utmost quality by Trifcho. This is the smoothest 3d printed puzzle I own right now.Speaking of the puzzle itself.. with its interchangeable maze panels and 50 challenges, this one has some serious return on investment and an absolute beast if someone wants a tough sliding maze puzzle. The difficulty can range from 37 moves to all the way upto 379 moves to solve it! And with quick reset and magnetic pins, this version is a...