20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Chemical_Hydrochloric Acid 5 mL in a two-tier

5 mL in a two-tier stackable frame

5-inch slots arrayed on a 20-inch polished hardwood stand accommodate simultaneous gravity filtrations across student workstations in chemistry classrooms

Class B volumetric flask in borosilicate 3

Plano-cylindrical concave lens at 50 by 50mm with -17 diopter power

a 45mm hollow equilateral acrylic prism holds varied liquids for refraction-index-by-medium investigations

20-Piece Igneous, Metamorphic and Sedimentary Rock Specimen Set in Laminated Box Chemical_Hydrochloric Acid 5 mL in a two-tierTwenty specimen set spans igneous, metamorphic, and sedimentary rock types in a laminated display box for introductory geology classroom instruction.