Solar System Model, constructed three dimensional model is a great way to explain the solar system to students, mounted on a sturdy base. Includes a key, dimensions: 24x 14x 11 inch, Weight: 3 lbs
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