Enlarged. Sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and musculature of the heart are shown. Separates into 7 parts.
Flexible bond, 90mm (double bonding), Packs of ten 90mm flexible bonds to represent double bonding, Use to supplement your Unit building sets or for building custom models
Life size skeleton features the points of origin in red and the points of insertion in blue along the left side. Skeleton features a sectioned calvarium and hinged jaw. Includes rod mounted stand with casters. Hands form ring on top of skull
Unit VSEPR Orbital White, Model electron orbital for use with the Unit system to show the theory of VSEPR and electron orbitals, Each pack contains 6 orbitals
Orbit Metal atom, Mq, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 12 coordinate, Color: Silver
Life size model dissectible in 2 parts. The anterior heart wall can be removed to show the left and right ventricles and atria as well as the tricuspid, pulmonary, mitral and aortic valves. Mounted on base.
Minit Phosphorous atom, Pk, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Tetrahedral, Color: Purple
Minit Carbon atom, Cb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Allene or Acetylene, Color: Black
Orbit Carbon atom, Cb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Allene or Acetylene, Color: Black
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
Orbit Nitrogen atom, Nd, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 5 ring azo, Color: Blue
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
Orbit Halogen atom, Hall, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Octahedral, Color: Green
This plant cell model is separated in 4 parts. Showing details of cell wall and inner details of cell wall, nucleus is separated and defined in a 3-D way cut section of chloroplast is shown.