Brand: Wellden Purchased new for $230 Used, with one minor crack/break on the exterior part of the sphenoid bone. See last photo, the yellow line on the red sphenoid bone is where the break is. All parts, including the small broken one, connect perfectly, nothing is loose. - 22 parts bone model with the best skull bone details. - Cast from a real adult specimen - a perfect tool for osteopaths, physios, RMTs, chiropractors - with magnets and connectors for easy assembly and the best connection. - Coloured user guide