Model, Embryonic Development, 12 stages, represents the development of the human germ cells from fertilisation until the end of the 2nd month of pregnancy in 12 stages, tests for the embryological specialist field, Dimensions: 65 x 34.5 x 6 cm, weight: 0.832 kg
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.
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