19-Chemical Complete Microscope Slide Stains Kit with 30mL Dropper Bottles Capacity_1.7mL and vascular tissue at greatly

and vascular tissue at greatly magnified scale

with the (Br) element stamp marking the material for easy identification

demonstrating compound-pulley mechanical advantage in paired configuration

Fine-mesh dual-purpose net captures adult insects overhead and aquatic larvae below the surface for field entomology and life-cycle observation work

19-Chemical Complete Microscope Slide Stains Kit with 30mL Dropper Bottles Capacity_1.7mL and vascular tissue at greatlyNineteen stain kit in 30mL dropper bottles bundling Vital (7), Bacteria (5), and Gram (7) stain sets plus an instruction manual for microbiology, biology, and histology slide preparation.