Includes 263 pieces neatly organized in a 13.5" x 9.5" x 3.25" storage case Combine the elements and bonds to create both simple and complex molecular structures with multiple elements, single/double/triple bonds, and orbitals with 2 dots Multifaceted elements for complex arrangements including trigonal planar, tetrahedral, bent, and trigonal pyramid Create large organic and inorganic molecules Kit Includes: Instructions booklet, 13.5" x 9.5" x 3.5" storage case, 50 Hydrogen atoms, 30 Carbon atoms, 5 Nitrogen atoms, 4 Oxygen atoms, 1 Fluorine atom, 1 Chlorine atom, 1 Bromine atom, 1 Iodine atom, 100 colored links, 50 standard joints, 20 orbital joints. This is a high end kit that includes 263 pieces. Combine the elements and bonds to create both simple and complex organic/inorganic molecular structures with multiple elements, single/double/triple bonds, and orbitals with 2 dots. Features mulitface elements for complex arrangements including trigonal planar, tetrahedral, bent, and trigonal pyramid. Kit Includes: Instructions booklet, 13.5" x 9.5" x 3.5" storage case, 50 Hydrogen atoms, 30 Carbon atoms, 5 Nitrogen atoms, 4 Oxygen atoms, 1 Fluorine atom, 1 Chlorine atom, 1 Bromine atom, 1 Iodine atom, 100 colored links, 50 standard joints, 20 orbital joints. Perfect for educational activities and experiments