From their website:Paris, 1804. The German scientist Alexander von Humboldt returns from a five-year expedition, considered as the second great discovery of America. While publishing numerous significant scientific papers about the American continent's culture and nature, he neglects to publish detailed studies on the Pyramid of the Sun, despite spending considerable time in Teotihuacan, one of pre-Columbian America's oldest and largest cities. Only shortly before his death, Humboldt manages to ...

From their website:In the early 19th century the scientific developments in the UK were said to be fruitless. Then it changed when provincial Philosophical Societies started blossoming across the United Kingdom. There people could meet and listen to talks on the latest discoveries and inventions. William Whewell, a fellow of Cambridge University, became one of the founders of Cambridge Philosophical Society in 1819. It transformed major English universities into world-leading centers of scientif...

From their website:London, 1720. Ian Kensington, captain of the British Engineering Forces, is responsible for the first successful recovery of a sunken ship. In the report to His Majesty King George I of England, Kensington mentions Davy Jones' locker for the first time. Despite it being a real artifact, he describes the locker in the context of a legend about the sea devil Davy Jones, who supposedly locks away the wandering souls of all sailors who lose their lives at the sea. It is told that ...

From their website:Schrödinger’s cat is a thought experiment by the Austrian physicist Erwin Schrödinger which illustrates the problems of quantum mechanics in everyday objects. In this experiment, a cat and some poison are locked in a closed box. Quantum mechanics says that after a while the cat will be both dead and alive. Unfortunately, Schrödinger completely forgot the cat because of his busy daily routine.  We are sure that the cat is still alive and you have to save it!-Has been sol...

 I started designing puzzles in 1982. That was roughly the same puzzle, but without the 2 cylinder obstacles. The task of this puzzle: remove the ring in the center. I sold 40 of them. 3 collectors sent me the solution. Warning: it is a tricky puzzle!!

Description:A nice puzzle box with some unusual movements. Very few were made and none will be ever made again.Payment : PayPal (F&F preferred or fees to be paid by buyer). Wait until the auction is finished so that I let you know the paypal address to pay to.Please don’t pay directly after you win the auction. Let’s first discuss your preferred delivery requirements and adjust the total amount accordingly.Note: I have disabled the anti-sniping feature. Meaning that the auction will not exte...

Description:Hold TUMBLEBUG between the thumb and second finger at the point marked "A" on Fig 1, with the base resting on a firm, level, flat surface (not too slippery).Note that point A is not vertical but is slightly overbalanced toward the left. (the illustration assumes that you are right-handed).Now release TUMBLEBUG (no pushing!).If you have not solved the puzzle, it will rock down on its convex side and settle in the position shown in Fig 2.However, if you have correctly solved the puzzle...

Description:Gift Burr has the familiar shape of the traditional six piece star burr. Unlike the traditional burr, this puzzle is anything but simple to assemble. The notches are irregular and create a lovely parity issue where every time you attempt the last piece it simply doesn't line up. Not impossibly challenging for an experienced puzzler, this one is nonetheless trickier than it looks.A kind of little chip on a piece as seen on the picture. The puzzle arrived in this state.Payment : PayPal...

Description:The puzzlebox is called the Edelweiss after a flower native to the Swiss Alps. The tray puzzle, when solved, resembles this flower and will unlock one of its secret compartments. Because this flower often blooms whilesnow is still on the ground, puzzle pieces can also be solved to produce a snowflake, which will open anotherof its secret compartments.The 10 tray pieces of this puzzle look simple, but their solution is “exceptionally challenging”. Because of this, the puzzle also ...

Description:Very beautifullly crafted puzzle by Lee Krasnow. Satisfying puzzle to assemble.Payment : PayPal (F&F preferred or fees to be paid by buyer). Wait until the auction is finished so that I let you know the paypal address to pay to.Please don’t pay directly after you win the auction. Let’s first discuss your preferred delivery requirements and adjust the total amount accordingly.Note: I have disabled the anti-sniping feature. Meaning that the auction will not extend. So if you're int...

Selling four of Lost Legends & Lore’s Puzzle boxes.Stored in a pet- and smoke-free environment.Comes with the original packaging, hints and sheets.Please wait for shipping to be added before paying.If you have any questions feel free to contact me.I ship worldwide.Please note:Shipping within the EU starts at 43 euros.Shipping to the US starts at 89 USD.Payment: Direct bank transfer for SEPA region or PayPal F+F The Last Dragon, by Lost Legends & LoreThis item is no longer available ...

From the late, great Eric Fuller (an evolution of a design by Phil Wigfield) this is both very, very shiny and very, very spinny.Shipping from the UK will be calculated after auction ends 

This is an intricate 3D printed SD. It's not really my thing, but it does have some impressive mechanisms and the printing is flawless Shipping from the UK will be calculated after auction ends 

Kikuchi's Christmas present from last year is so very, very tired, just like me. Far too tired to write an amusing auction listing, that's for sureShipping from the UK will be calculated after auction ends 

Selling my copy of "9 Layer Puzzles" Bundle of full 9 puzzles in the collection by - Craig Lawton.Puzzles are all mostly SD themed.Payment via Wise only.Shipping TBC after winner is chosen. *you can message me before bidding for rate estimation.Shipping can be combined if you are winning more than one of my auctions. 

Selling my copy of "8 Bit" by - MW Puzzles.Designer description:8-Bit is a 9 step SD puzzle which is designed to be both challenging and fun. The object of the puzzle is to find the chequered flag to finish the race.This is the 3rd and final of 3 vintage arcade/coin operated puzzles following on from The Bandit and Pinball Wizard.Payment via Wise only.Shipping TBC after winner is chosen. *you can message me before bidding for rate estimation.Shipping can be combined if you are winning more than...

Selling my copy of "The Penny Farthing Box" by PPP.Designer description:Introducing the sixth puzzle design from us here at PPP, The Penny Farthing Box. The Penny Farthing Box has been down on paper for around a year and is a direct follow up to an earlier puzzle in our catalogue, The 3P Box. However, with The Penny Farthing Box, it is not just a trick opening box, this is a Sequential Discovery puzzle with around 7-10 unique steps to complete (depending on how you count them). It’s been a joy...

Selling my copy of "Dead Mortimer" by - Dee Dixon.Designer description:Dead Mortimer is a sequential discovery puzzle. Navigate your way through over 20 steps as you attempt to discover what killed Mortimer. This puzzle is made from red oak, bubinga, and canarywood. It measures 4.75 x 4.75 x 2.75 inches. Payment via Wise only.Shipping TBC after winner is chosen. *you can message me before bidding for rate estimation.Shipping can be combined if you are winning more than one of my auctions. 

Selling my copy of "Iteration 23" by - Dee Dixon.Designer description: Iteration 23 is an SD puzzle with over 20 steps.  The goal is to find the 4 compartments and assemble the components in an attempt to defeat Walter. Three variants are available. They are padauk, osage orange, and spalted hackberry each paired with Peruvian walnut. A quick word about spalted hackberry: spalted hackberry happens when the hackberry tree has been exposed to decay. The light colored heartwood is streaked with ...