Darling Organic & Inorganic Molecular Model Kit   Set includes:   36 sp3, black 12 sp3, red 4 sp3, blue 3 sp3, silver black* 1 sp3, rose* 1 sp3, turquoise* 16 sp2, gray 7 double bond pi piece, gray     4 half double bond pi piece, gray 2 half double bond pi piece, red 2 linear triple bond, gray 1 trigonal atom, gray (2R, 1T) 1 trigonal atom, gray (2T, 1R) 2 linear bond, gray 2 octahedral piece, hot pink (2R, 1T)    2 octahedral piece, hot pink (2T, 1R)    6 marker ball, white 6 marker ball, red 3 marker ball, green 3 marker ball, blue 4 bond extender, hot pink         1 Atom VisionsTM ball black tetrahedral 1 Atom VisionsTM ball hot pink trigonal-octahedral      Set of instructions 120 Total Parts* rubbery pieces for strained bonds