Unopened Box Set of 6 VHS Tapes: Unit 1 -Cell Biology, Unit 2 -Genetics, Unit 3 -Evolution, Unit 4 -Ecology, Unit 5-Diversity, Unit 6 -Plants, Unit 7-Invertebrates, Unit 8-Vertebrates, Unit 9-Human Biology.
Unopened Box Set of 6 VHS Tapes: Unit 1 -Cell Biology, Unit 2 -Genetics, Unit 3 -Evolution, Unit 4 -Ecology, Unit 5-Diversity, Unit 6 -Plants, Unit 7-Invertebrates, Unit 8-Vertebrates, Unit 9-Human Biology.