Sun, Earth, Moon Orbital Model, Multiple moving axis to demonstrate daylight, night, seasons and phases of moon, Requires two AA batteries, Light bulb inside sun to demonstrate sun light on moon & earth, Base has the months of the year along with the season
Model, Carbon Dioxide Crystal, is a colorless and odorless gas vital to life on Earth. This naturally occurring chemical compound is composed of a carbon atom covalently double bonded to two oxygen atoms, Dimension
Model, Calcite (1/2 unit cell) Crystal, is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3), The other polymorphs are the minerals aragonite and vaterite, includes 66 1 inch balls, Dimen
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
Mitosis Model, Dimensions: approx. 60x40x6 cm3, Advantages: Chromosomes coloured according to modified AZAN staining colours, Cell components are colour-coded in accordance with educational aspects, Attaching magnets on the rear, Storage system, Enlarged 10, 000 times