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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
The excitation device is an electromechanical device vibrator
Responsive top spring valve action
5 x Heavy Duty Transparent Polythene Friction Rod
Included: 24 x Angle Study Calculation Dominoes
Frequency generation: 0~800Hz
DNA Structure Display Model With Base & Stand | Movable Parts | 60cm Tall Paramecium model The excitation device is anIncluded: DNA structure model is used as a visual representation of the different components of a DNA structure. This double helix DNA model is pre assembled and is a very impressive display and learning tool. The phosphate deoxyribose backbone and four bases are represented by custom plastic molds that show the shape of the molecules in proportion and illustrate the bonding between them. Size: 250mm x 250mm x 580mm. + Vertically mounted on a circular
