Galápagos Magnolia Seed Pods. Galápagos Natural Magnolia Seed Pods are a great addition to any bioactive terrarium. These pods provides shelter, security, and food for microfauna living in bioactive vivariums. Over time, seed pods and leaf litter break down and help to provide organic nutrients for microfauna and plant life. This makes the leaves, seed pods, and other green material crucial ingredients for a well-rounded bioactive vivarium. Natural Magnolia Seed Pods Ideal for Bioactive Terrariums Provides shelter and food for microfauna 2-4 inch pods 5 pieces per bag