This puzzle of 6 pieces assembles to make a nice icosahedron.Includes stand. Note the chips on the two corners (one small, one slightly bigger), which does not affect the functionality of the puzzle...Buyer is responsible for shipping and paypal fees

This is a two laying puzzle. You have to put the 7 pieces back into the package.

A very nice old puzzle.

On the front and on the back there are numbers. You have to put the pieces in such place that each row and column has the same sum. Also in the main diagonals. IPP exchange puzzle

Unhappy Childhood is Stewart Coffin's design #41. Ten checkered pieces, each made of five cubic blocks joined different ways, pack into a 5x5x2 square box. This is one of the first puzzles that I made in the early 1990s.

A unique puzzle in its material. This entanglement puzzle is made by ITEMATION 1970. Box has tape damage and bends. . . BEAT THE SEAL! 1. When the sculpture is removed from the base it becomes an intriguing puzzle. 2. The object of the puzzle is to seperate its component parts....then rejoin them. 3. Do not use unnecessary force, just a little twist. 4. If you cannot solve the puzzle....the solution is inside this sealed tag. . . "Buyer to pay shipping; postage cost to be dete...

An unusual and very challenging wood Jigsaw "Brain" Puzzle. German. "UNWIDER STEHLICH IRRESISTIBLE" 60 puzzle pieces, Complete, I believe. I have done many hundreds of jigsaws in my life, but this one beats me. I have worked 2 hours only to get 6 pieces together! Beware this will challenge you and is very difficult. It has a wood dowel and hole in back to stand up. 6" x 6" Stained, multi layered Wood. . . "Buyer to pay shipping; postage cost to be determined at end of auction depending on...

Always Fun to play with, this 3D maze is a classic from JaJaco 1963. . "Fascinating Maze Inside the cube there are cleverly laid traps. The idea is to avoid the traps and get the red marble through the maze. Whoever gets the ball out of the maze fastest wins the game." . . "Buyer to pay shipping; postage cost to be determined at end of auction depending on purchaser location" . . Shipping US is $6.50 USPS Priority or insured Fedex 2nd day at $10.00

This puzzle was Pat Major's exchange puzzle for IPP23 in chicago...serially interlocking rhombic prisms...Buyer is responsible for shipping and paypal fees

Kevin Holmes' exchange puzzle for IPP25 in Helsinki...Arrange the ten shapes that spell the letters/numbers IPP 25 SUOMIto form a 4x4x4 cube. Rated difficult, this puzzle has a unique solution...Buyer is responsible for shipping and paypal fees

This little book (62 pages) from 1957 is in very good condition with an unexpectedly nice dust jacket; a little dirty, however (see photo). Cover price on the DJ is $1.00. Printed by the Peter Pauper Press, edited by Phillip Haber, illustrated by Stanley Wyatt. Almost all verbal math problems of various sorts. Book is about 4"x7" and weighs 5 ounces.

Two Dover paperbacks by H. E. Dudeney. The Canterbury Puzzles is copyright 1958, listed 4th edition, fairly worn around the edges and spine, with a store's stamp on the title page. A solid copy, however. The second book, Amusements in Mathematics, is in much better condition with a slightly yellowed cover, 258 pages of very small print and lots of Dudeney's classic puzzles (numbering in the book goes up to 430). Also listed as copyright 1958 with a cover price of $1.25. Total weight of both boo...

Knobbly Burr was made by Trevor Wood in 1993. It is a six piece puzzle.

101 Amusements for All, by Charles F. Bishop, MMC, published around 1953 by Faber and Faber. No dust jacket, average wear. Small piece of tape on inside front cover, some pencil marks in the body of the book. Features an interesting variety of 101 word, math, and riddle puzzles. The book doesn't actually have a publication date in it, but someone wrote a date in the front cover, in pencil, so it was published 1953 or earlier. It has 84 pages.

Highly precisly made puzzle. Tight but this is perfect for this kind of puzzle, so it holds together right. Solution included. Buyer pays the 4% Paypal.

Double-Bar Cube, designed by Tom Jolly, manufactured by Bernhard Schweitzer, exchange puzzle for IPP 2008. Made from "3 hardwoods". Nice fit, no defects. 6 identical pieces, not as easy as it appears, but not terribly difficult either.

Split Ribs Cube, designed by Marc Van Kreveld, manufactured by Bernhard Schweitzer. No defects but for the original roughness of the wood used. Eight pieces, not interlocking (it falls apart if you pick it up).

This puzzle box was created by Yukio Ogura for the Mother's Day exhibition held by the Karakuri Creation Group in 2007. It is now sold out and no longer made. The unusual mechanism was inspired by the motion of a real frying pan. This box is in excellent (as new) cosmetic and working condition. Comes with the original box.

This puzzle box was created by Hiroshi Iwahara for the Valentine Day exhibition held by the Karakuri Creation Group in 2006. It is sold out and not being made anymore. This box is in excellent condition (as new) and opens smoothly. Comes with original box.

An old classic in true African material.