Jumpy is one of the Nerve Wrackers... a nusty group of puzzlers that promise to psych you out! Exercise your ego: line up the loose balls with the stationary ones, color to color. ( Diagram of winning position on puzzle back.) How's your sanity? Flipped your lid yet? In the 1970's, Reiss Games Inc. (a subsidiary of National Paragon Corp.) offered several dexterity puzzles in their Shock Absorbers, Hand Shakers, and Nerve Wrackers series. In addition, The Romany Merchandise Corp. seems to h...

An interesting 4x4x2 packing problem because of the obstacle of the box; solution only in one sequence and special moves of the pieces.<br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.

“Jeniver Haselgrove designed this Trick-Opening Box which can be opened or closed by a mysterious mechanism. Already the old Egyptians had knowledge about this mechanism and they used it closing the pyramids. Moveable pieces block inside the centre part with the initials of the designer (H + J) after correct moving or they give it free.”<br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.

7-piece packing puzzle designed to fit into a sake box <br> <br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.<br> <br>

12-piece burr<br> <br> Further information is provided here: http://www.davans.com/index.html<br> <br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.<br> <br>

This puzzle is composed of 48 magnets and 20 rhombic dodecahedrons.<br> <br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.<br> <br>

The object of the fish puzzle is to remove the dragonfly from the fish.<br> <br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.<br> <br>

The object of the tricycle puzzle is to remove the handlebars from the tricycle.<br> <br> Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location.<br> <br>

this is a nice variant of the traditional 6 piece burr.the idea is that instead of a 2x2 cross section, Yananose used a 2x3 cross section, in various orientations. This is the "I" variation, which is a Level 10 burr. Buyer is responsible for paying 3% PayPal fee if paying via PayPal

Crafted by Wayne Daniels, this interesting 18 piece burr has a level 5 solution. It is marked "Interlocking Puzzles 2001". IP is out of business, and it is highly unlikely any more will ever be made. This item is on consignment and is being listed by me for an anonymous seller. I have it in my possession, and will ship the item and complete the transaction. Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 f...

Pieces :3 plus frame Very difficult puzzle, almost impossible to put together from pieces taken apart without any clue. 27 moves to take the first piece out.Like all puzzles from Pelikan, very very well made. Fit perfect. Solution included.

A variation to Stewart Coffin's Augmented 4 Corners puzzle (STC #34) , could possibly be #90, but since Stewart did not record the design, I chose to take the challenge and design what I thought belonged there. This puzzle is made of Tulipwood, Bloodwood, Purpleheart, and Cherry. This puzzle has 6 identically shaped pieces that assemble in multiple ways. There are several color symmetry problems to solve. I came up with this variation in 1999. This puzzle has a nice fit and finish. It also...

Stewart Coffin's Wunder Bar puzzle made of Walnut, Butternut and Jatoba. This puzzle has 6 pieces that assemble to form a cubic lattice. Each piece is made up of three 1x1x5 sticks joined together. There are 4 unique pieces. This puzzle has not had a finish applied. Taken from my personal collection.Stewart made only a few of this puzzle in 1973. Since the pieces are made from three woods the number of solutions has been reduced.If buyer chooses to pay by PayPal, the PayPal fees will be add...

Stewart Coffin's Triumph puzzle (STC #15) made of Claro Walnut and Zebrawood. This puzzle has 6 identically shaped pieces that have two dissimilar contrasting woods. At least three color symmetry problems can be solved, each in two different ways. This puzzle has a very smooth fit and excellent finish. It also bears my maker's signature. Taken from my personal collection.If buyer chooses to pay by PayPal, the PayPal fees will be added to the selling price. Buyer pays all shipping fees.

Stewart Coffin's Super Nova puzzle (STC #14) made of Honduras Rosewood. This puzzle has 6 dissimilar non-symmetrical pieces that assemble in two ways. This puzzle has a very smooth fit and excellent finish. It also bears my maker's signature. Taken from my personal collection.If buyer chooses to pay by PayPal, the PayPal fees will be added to the selling price. Buyer pays all shipping fees.

Prototype form Lee Krasnow. Very interesting puzzle design. Quite a good challenge to put together. Very fun to play with. Description on this site said it has a loose fit but it has not. Fit is perfect. And though it's a very small puzzle, it's very very precisly made and it's solid.

Stewart Coffin's Involute puzzle (STC #214) made of Claro Walnut and Zebrawood. This is an improved version of Convolution #30 . Eight-piece 4x4x4, serially interlocking, with a tricky step. This puzzle has a very smooth fit and excellent finish, but the key piece is a little loose. It also bears my maker's signature. Taken from my personal collection.If buyer chooses to pay by PayPal, the PayPal fees will be added to the selling price. Buyer pays all shipping fees.

Stewart Coffin's Broken Sticks puzzle (STC #32) made of Cocobolo. This puzzle has 6 dissimilar non-symmetrical pieces that assemble in only one way. This puzzle has a very smooth fit and excellent finish. It also bears my maker's signature. Taken from my personal collection.If buyer chooses to pay by PayPal, the PayPal fees will be added to the selling price. Buyer pays all shipping fees.

Stewart Coffin's Notched Rhombic Sticks puzzle made of Yellowheart, Padauk, Goncalo Alves, Tropical Walnut. This puzzle somehow did not get it's own number in Stewart's listing. Mr Coffin shows this puzzle in Fig 136 of his Puzzling World of Polyhedral Dissections book. It consists of 12 augmented triangular sticks. It looks somewhat similar to a 12 pieces separation puzzle but has more key pieces due to the squared ends. By adding color, the solutions should be limited to one. This puzzl...

Stewart Coffin's 3 Piece Pennyhedron puzzle (STC #52-D?) made of Tropical Walnut. This puzzle has 3 dissimilar pieces that assemble in only one way to form a rhombic dodecahedron. This puzzle has a nice fit and finish. It also bears my maker's signature. Taken from my personal collection.It is unknown how many Stewart made of this variation. Since the three pieces are made from one wood it is VERY difficult to open as you constantly fight your own finger placement. For me, this is the harde...