Above:Version 1

Click a thumbnail to see its larger version and description.

• Inventor: Steven P. Hanson and Jeffrey D. Breslow
• Mechanism: Missing Link
• Patents: US4373729
• Producer: Unknown
• Year: 1982
• Original Price: $0.00 USD
• Current Price: No Data

There seem to have been at least three different releases of this puzzle. See image captions for more details.
A knock-off version produced no later than 1982. These were mentioned in David Singmasters Cubic Circular Issues 2 from Spring 1982.

Version 1 used as colours: orange, green, white and red.
The box has two display windows, and is marked with a large "g" on one end.
Version 2 used as colours: blue, green, white and red.
The box has two display windows, and is marked with a large "Q" on one end.
Image 5 shows versions 1 and 2.
Version 3 bears the same name but with more differences in the packaging.
Version 4 is named "Hidden Loop" but only on the package. See images 6-14.

Edge length: 38 mm
Height: 126 mm
Weigth: 92 grams

Links

Thank you to the following people for their assistance in helping collect the information on this page: Sandy.

This puzzle can be found in collections of these members: