The Tessarisis is probably the most advanced mechanical puzzle of the isis series of puzzles from Sonic Games to date. This particular Extreme Tessarisis is a LIMITED EDITION. The puzzle was invented by Andrew Reeves. Made of high-quality metal, this puzzle is very heavy, weighing in at 800 grams! The Puzzles made at Sonic are all engineered using the most advanced 5 axis engineering machines in the world. The inside is designed to contain a small puzzle box (tarka extreme), which also needs to be solved to complete the whole puzzle. Each side bears a gold plate in the centre - one plate is etched with the designer's signature. One corner of the cube is created flattened, which makes it perfect to set down and display. A difficult challenge for the most avid puzzle lover!
Presented in a black leather presentation box. The Tessarisis like the other puzzles in the series has a special key inside the puzzle. All Tessarisis' are uniquely numbered each one with a key code that is required to access the online Tessarisis game.
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