
This molecular model construction kit for students is the best choice for both inorganic and organic chemistry classes. The kit contains all needed elements and connections for ball-and-stick models of organic and inorganic standard molecules. The models are easy to assemble and disassemble. They are characterised by high quality and durability. The kit is delivered in a plastic case, which enables a clear and comfortable storage. Every part is extreme robust and colored according to international standards. Diameters: of the hydrogen balls are approx. 17 mm of carbon and most of the other: approx. 23 mm Content: 6 black balls (Carbon) 14 white balls (Hydrogen) 6 red balls (Oxygen) 3 blue balls (Nitrogen 3 yellow balls (Sulphur) 1 orange balls (Phosphorus) 3 green balls (Halogen) 9 light-gray ball (Metal) 3 special balls 25 Connectors, medium 10 Connectors, long (flexible)