Model, Basic Crystal Structures, Set of 9, is a valuable teaching aid for physics and chemistry, Similar patterns of atomic arrangement reappear in large numbers of different substances, Dimensions: 28 x 20 x 19 in
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.
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.
Half size torso, sexless. Head is dissectible in 3 parts showing half of the brain can be taken out, showing the cranial nerves and the important inteRNAl parts of the skull.
Male Torso with Head and Open Back, Natural size, SOMSO-Plast*,Separates into 20 parts: brain with arteries, eye with muscles and optic nerve, halves of the lung, heart, liver, stomach, small and large intestine, opening appendix, omentum, half of right kidney, half of bladder, torso