Package focused on Invertebrates for the third level of primary school. Taxonomies, classification and features of the main groups: Profiler, Coelentera, Echinoderm, Mollusc, Arthropod and Annelid. The subgroups are also treated: bivalves, gastropod, cephalopod, crustaceans, insects, arachnids and myriapods), nomenclature, examples, sounds, etc...