
Separate the Ring from the star and put back to starting position!
Nederland € 3,95, België € 13,95
Betalen via bankoverschrijving
voor onze Nederlandse klanten
voor onze Belgische klanten
The grooves engraved in the two rotating boards are called "logarithmic spirals." These two grooves always cross at right angles, and a square hole is formed at their intersection. The goal of this puzzle is to remove the helix ring that goes through that