Life size model dissectible in 2 parts. The anterior heart wall can be removed to show the left and right ventricles and atria as well as the tricuspid, pulmonary, mitral and aortic valves. Mounted on base.
Organic Chemistry Model Set, Build thousands of organic molecules in their natural conformations and see the 3-D structure of the molecules, With 140 durable components in this model set, you can build bigger molecules without having to reuse model parts, Snap-closure
Human Anatomy Transparent Torso Model 4D, 8in model contains 37 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description of the anatomy, For ages 8 plus
Minit Metal atom, Mp, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, 8 coordinate, Silver