| H2 H2. H2 is a puzzle made of solid stainless steel orbs and stainless steel keyrings with a brass center. The objective is to remove or replace the key rings over the orbs.The orbs (spheres) are are 30mm in diameter. The puzzle is interesting and not too difficult. Each H2 version will be produced in very limited quantity.Designed and produced by Doug Engel from the USA.- H2. | 
