Huzzle Cast Tube Schwierigkeitsgrad 4 This creates 3 levels of

This creates 3 levels of 4 squares each

The movement is smooth and the pieces glide in a flowing motion

Cast puzzle enthusiasts (Nutcases) can enjoy trying to change the wording on the screw from "Nut-Case" to "Case-Nut"

This style of ring was popularized in Europe in the 15th century and was actually used for official engagement and wedding rings

Two pieces that seamlessly intertwine into a single shape

Huzzle Cast Tube Schwierigkeitsgrad 4 This creates 3 levels ofThe puzzle "Tube" consists of 3 parts. The aim is to separate the parts and then put them back together. Designed by Finnish designer Vesa Timonen . Difficulty level: 5 out of 6