Molecular Model Set Teacher 121 Pieces , Each

Details:

Molecular modelling set 101 pieces^ molecular modelling set, basic inorganic and organic chemistry, hard plastic case, standard size, 101 piece, carbon-10, hydrogen-15, oxygen-6, nitrogen-4, chlorine-5, sulphur-2, bromine-2, iodine-2, phosphorus-1, perfect set for introductory chemistry