Prism, R Index 1.51 - Designed for Spectrometer, Weight (lb): 0.1, Length (in):0.5, Width (in): 0.4, Height (in): 0.2, Borosilicate crown glass with a refractive index of 1.51
Organic and inorganic chemistry peg pack, A selection of pegs for building inorganic and organic compounds. Contains 72 pegs (24 radial, 12 polar and 36 tetrahedral)
Human Anatomy Skeleton Model 4D, 9.5in model contains 46 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description, For ages 8 plus