Small Aluminum Pocket Compass, 45mm Metal Labware_Lab Jacks & Stands Six-lens optics set of three

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

packaged in a wooden storage box

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

Greatly magnified transverse monocot stem section on a mounted base exposes scattered vascular bundle layout for advanced plant anatomy coursework

Small Aluminum Pocket Compass, 45mm Metal Labware_Lab Jacks & Stands Six-lens optics set of threePocket sized 45mm aluminum compass with a graduated dial, suited to fieldwork in geography units and orientation activities outside the classroom.