PLTW Blue Bottly Set, that includes 5 vials of specimens. Each vial contains three specimens as either a pupa, adult, 1st instar, 2nd instar, or 3rd instar
Fermentation Tube, Ungraduated, with Foot, Verify gas production in fermentation exercises, gas produced by yeast or other organisms rises into a 5 or 10 mL evolution tube, Diameter: 115mm, Size: 5 mL