Mid-Atlantic Ridge Model, shows the S-shaped course in 3D of the volcanic mountain range produced by tectonic shifts in the Atlantic Ocean, Size at the equator: 1:320.000.000, Material: PVC, Weight: 6.5 kg
Molecular Modelling set, Basic Inorganic and Organic Chemistry, Hard plastic case, Standard size, Consists of 54 balls of various colours and 24 links, 64 Pieces, Carbon-12, Hydrogen-24, Oxygen-6, Nitrogen-6, Chlorine-2, Sulphur-2, Bromine-1, Iodine-1