Tectonics Model, provide students with an innovative look at plate tectonics with this hand-painted plastic model, showing detailed representations of the earth layers. Both active and passive margins are shown, Oceanic floor spreading is also well-characterized
Orbit Hydrogen atom, Hb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Hydrogen bond, Color: White
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