TetraCubed was perennial IPP Puzzle Exchange participant Stan Isaac's exchange puzzle at IPP32, held in Washington D.C. in 2012.  It was manufactured by the prolific, highly talented, and highly respected Wayne Daniel (Interlocking Puzzles).  The objective of the puzzle is to pack all eight pieces into the cubic box, such that none of the four small cubes are touching each other, even at a point.  The solution yields a beautiful and mathematically interesting geometric configura...

The "New Departure Puzzle" is an extremely colorful puzzle used to advertise New Departure bicycle coaster brakes, a General Motors Corporation product.  This EDGE MATCHING PUZZLE is from 1953, OVER 70 YEARS OLD!  According the the instructions on the back of the puzzle card (second illustration), the card is to be separated along the perforations into nine squares, and the cards rearranged into a 3x3 square so that the color...