US$ 39.95
there may be minor imperfections that do not affect physical function
and frequency-response student work
large and small helical springs
and strings for equilibrium and vector experiments
Riveted 10-inch compound bar in brass and steel
Bacteria Cell Structure Anatomical Model with 10 Labeled Structures on Stand Item Type_Spoon there may be minor imperfectionsBacterial cell structure model with ten labeled components reveals prokaryotic organization, cell wall, and internal structures for microbiology teaching.