Three uniform star polyhedra edge arrangements in one pack - save on set up cost! Each model has a spherical diameter of 5cm (approx) and a beam thickness of 1.5mm. Left polyhedron edge arrangement ofU30 - Small Ditrigonal IcosidodecahedronU41 - Ditrigonal DodecadodecahedronU47 - Great Ditrigonal Icosidodecahedron Centre polyhedron edge arrangement ofU37 - Truncated Great Dodecahedron Right polyhedron edge arrangement ofU72 - Small Retrosnub Icosicosidodecahedron Combine with Unifrom Beams Medium - Packs A to L to complete the set of uniform polyhedra edge arrangements.