Minit Metal atom, Mq, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, 12 coordinate, Silver
Model Homo Habilis Oh 24 Cranium, 1.8 MYA, was discovered by P. Nzube in 1968. This nearly complete but very badly crushed specimen constituted the oldest hominid found in Olduvai Gorge, Tanzania, Size: 18.3L x 11.6W x 10.1H (cm)
Orbit Nitrogen atom, Nm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Trigonal bipyramid, Color: Blue
Human Male European Skull Model, Cranium with Hammer Blows, two wounds that are rounded and depressed, consistent with hammer injury, smooth, rounded edges are indicative of healing, and therefore indicate some period, Dimension: 21.6L x 14W x 15.6H (cm)
Model, Aragonite Crystal, is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3, It is formed by biological and physical processes, includes 44 1 inch balls,