This puzzle is a exchange puzzle by Andreas Schicks for the International Puzzle Party 25 held in Helsinki, Finland 2005   Objective / Description: There are different objectives (in increasing difficulty): 1) Assemble such a 2x2x2 cube that the bottom four cubes (2x2x1) are yellow cubes and each of the top four cubes (2x2x1) is blue.   2) Assemble such a 2x2x2 cube that the color of neighboring cubes always alternates (yellow-blue-yellow-blue..) Now let’s rest...

“Pythagorean Pentominoes”   This puzzle is a exchange puzzle by Wei-Hwa Huang for the International Puzzle Party 25 held in Helsinki, Finland 2005   Objective / Description: Arrange the different sets of pieces to form a rectangle, a dodecagon, and a Pythagorean figure. The green set of pieces can be assembled into any of the figures, the blue set of pieces can only form the dodecagon and Pythagorean figure, and the yellow set packs into the Pythagorean figure and ...

This puzzle is a exchange puzzle by Rik van Grol for the International Puzzle Party 25 held in Helsinki, Finland 2005   Objective / Description   The object of Complete Insanity is to place the five cubes in the base in such a way that from all (six) directions you see five different symbols.   About the puzzle: Complete Insanity is a variation on the theme of the puzzle Instant Insanity. Instant Insanity has four multicoloured cubes that are placed on top of ...

“Four Pentomino Problems” This puzzle is a exchange puzzle by Allan Boardman for the International Puzzle Party 25 held in Helsinki, Finland 2005 Objective / Description Arrange the 12 pentominoes on the square so that the four squares of one colour are shown. Repeat for each of the four colours: red, blue, yellow and green.  Packaging: Plastic box_____Preliminary estimate of shipping costs from the Netherlands. Netherlands: from 0 - 2 kg, max. ...