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
Sheep heart, Pail of 10, preserved in Ward s One Solution, A safer alternative to standard formalin fixed specimens, From individual organs to whole organisms, unsurpassed tissue preservation with a safer experience for students
Bullfrog, medium Plain Preserved Vacuum Pack 1, preserved in Ward s One Solution, A safer alternative to standard formalin fixed specimens, From individual organs to whole organisms, unsurpassed tissue preservation with a safer experience for students
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