Dispel the puzzling complexity of geological facts with this series of eight detailed geology models, In addition to surface formations cross-sectioning depicts subsurface structures, Accompanying Teacher"s Guide isnumerically keyed to each individual model allowing focused study of specific features, Each model is 14"" x 12"" and is sturdy enough for student handling or wall display, Models 5-8, Made with the Best Quality Material with your child in mind, Top Quality Children"s Item, SKU: AMED358