This greatly magnified 2-part AIDS virus model reveals the internal structure of the virus including matrix, capsid, RNA (genetic material), reverse transcriptase enzyme, and envelope (phospholipid and glycoprotein). The vivid hand-painted model is mounted on a 5 x 5 x 1 inch base. Total dimensions are 7 inches tall and 5 inches wide. Suitable for biology classrooms studying viruses, retroviruses, and HIV/AIDS biology in microbiology and immunology instruction.