Amazing puzzle and so well crafted. This one is rated VERY high in the Discord community for the replayability. 3% PayPal fee will be applied to final price. 

This is the second edition of Tube It In, originally released in 2016. This edition is dimensionally the same, with different woods and the addition of magnets to keep the puzzle assembled once solved.Tube It In is a classic design by Wil Strijbos. To solve it you have to take the various small rectangular pieces and pack them all inside each other. Wil originally made it with small cut sections of metal pipe! What an original and fun idea, still unique to this day. The puzzle itself is moderate...

Pieces such that you can see through the cube (note packing configuration shown is not the solution).  Description on the Pelikan website:  https://www.pelikanpuzzles.eu/produkt/x-ray-cube/Buyer to pay Paypal fees, if any.Buyer pays actual shipping by whatever method he/she chooses.

The modified Tri-Square puzzle was Dick Hess' exchange puzzle at IPP 19 in London, 1999.It is a modification of the tri-square puzzle invented by Bob Wainwright.All 178 challenges involve building geometric figures from subsets of the 11 triangular pieces.Challenges range from very easy to terribly dificult. this can keep you busy for many hours!It comes with an extensive booklet that specifies the challenges in writing, mentioning the number of possible solutions.It also provides graphical and ...

Framed Snake was John Ergatoudis' exchange puzzle for IPP19 in London, 1999.This puzzle is also known as "snake pool"The goal of the puzzle is to fit the 11 cuboids in the frame. To complicate things, the cuboids are on an elastic string. The solution requires some dexterity because the elastic string does not help to keep cuboids in place!

The Loculus of Archimedes puzzle was Allan Boardmans exchange puzzle at IPP 19 in London, 1999.The design is possibly the oldest puzzle known to man, a tangram-like 14 piece square dissection. The production by Allan is amazing, as most of his tiny puzzles are.The Padauk pieces thickness is only 1 mm.The Ash box with sliding lid holds the puzzle and the original leaflet, and it is still only 8 mm high...

Classic packing and non-interlocking assembly puzzles: "Pack it in" by John Conway (famous mathematician who just passed away), "Fifth chair" by Dale Walton, "Missing T" first appearing in an 1898 package of Lash's Bitters company, "Double square" first appearing in a 1934 catalog of Johnson Smith company.These were part of Thinkfun's old series which was discontinued. Paradoxically perfect for both yourself and your kids.[Actual shipping cost will be calculated at close of auction. Buyer is res...

Mystic Cubes was James Dalgety's exchange puzzle for IPP19 in London, 1999.The goal of the puzzle is to place all four sleeves one inside the other to make a perfect die.The sleeves have dots and holes that align in the solution shape.

Another brilliant packing puzzle by the designer of the award winning "Casino" puzzle, Harun is a tricky assembly. Six notched sticks and six small planks pack into the box two different ways. The solution is trickier than is apparent given the simple pieces.Construction of this puzzle is excellent, with a precise fit which displaces a cushion of air when the entire assembly is dropped in at once.For multiple items, combined shipping is available. Simply message me once you are finished bidding ...

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.

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. 

RIBBONDesigner: Osanori YamamotoThis puzzle measures: 55 mm x 55 mm x 55 mmMaterial: depends on product variant belowMoves: 8.5.4Kevin Sadler wrote about it:“Osanori has moved into slightly bigger puzzles with the last challenges and these having to fit a 3×3 cube shape inside the boxes of ever-increasing complexity. The box here has two full height corners missing which, as with all previous puzzles, need to be filled completely. The premise is the usual simplicity of just 3 interesting piec...

CRYSTAL RINGDesigner: Osanori YamamotoThis puzzle measures: 55 mm x 55 mm x 40 mmMaterial: depends on product variant belowMove: 2.5.7Kevin Sadler wrote about it:“Also in the upcoming release from Pelikan is another of those wonderfully simple-looking packing puzzles based on a 3x3x2 box cavity with an interesting entry shape. The Crystal Ring has been beautifully made. Pack the 3 pieces inside… easy peasy! Nope! It requires a 2.5.7 sequence to pack it correctly and involves a very nice litt...

Designed and first released at IPP in 2009, Surround is closely related to the 3/4/5 cubes designs by Ichiro. In this case, six pieces must be used to surround the solid cube in such a way that is self-supporting. Two solutions using magnets are possible, with another "rule-breaker" solution that does not use magnets and covers the cube completely! The finished shape is pleasingly symmetrical and displays well.Puzzle Pusher has an excellent blog review of this puzzle.Precision wood puzzles ...

This puzzle consists of 11 identically shaped pieces made from hardwood and metal rods. Essentially they are "F" pentominoes. The task is to fit them all in the tray which measures 8 units by 8 units.The wooden tray measures 7 1/4 inches to a side.

Only 44 copies of this puzzle were made by Eric Fuller.The objective is packing the seven pieces into the box.Shipping is £10 (next day delivery in the UK), or £20 (3-5 days FedEx delivery rest of the world).Buyer please covers the 5% PayPal fee.Thanks for looking.

Place the nine magnets in nine holes such that they are stable.  Solution included.Buyer to pay Paypal fees, if any.Buyer pays actual shipping by whatever method he/she chooses.