Praying Mantis Life Cycle Stages, Children can see how Praying Mantises change as they grow with Insect Lore’s Praying Mantis Life Cycle Stages. Four stages of Mantis development: Soft Egg Case, Hardened Egg Case, Nymphs and Adult Praying Mantis.
Animal cell, enlarged 20000 times, in somso-plast*. The model shows the recently discovered principles of the delicate structure of an animal cell. in one piece, on a stand with base. height: 52 cm, width: 39 cm, depth: 26 cm, weight: 3.7 kg.
Model, Embryo Development of Common Frog, (Rana temporaria), 12 Stages, the various stages of development of an embryo, cleavage (morula and blastula), gastrulation, neurula and organogenesis enlarged 30 times, Dimensions: 37 x 36 x 13 cm, weight: 1.73 kg