Coil - (4/6) Huzzle Puzzle small box from the ultra-solid Stonewall formation

from the ultra-solid Stonewall formation through to the fluid Classical System and the dynamic Leningrad Variation

A classic game of strategy and logic

The Nutcase has two meanings in this puzzle: firstly

wall paper and even stained glass

Coil - (4/6) Huzzle Puzzle small box from the ultra-solid Stonewall formationThe Coil appears to be a box like lump with a hole in it, but it actually comprises of 2 coiled up, virtually identical pieces. You must try to take it apart by sliding and rotating the pieces. Although the pieces are angular in shape, they can be rotated in unexpected ways, making their movements quite intriguing. Difficulty: 4 6