Small Aluminum Pocket Compass, 45mm Subcategory_Molecular Models and two removable stainless steel

and two removable stainless steel pans on a 10

Sodium chloride lattice kit with 27 color-coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions

One hundred numbered slots in a hardwood storage box hold standard microscope slides for ordered reference and classroom slide-library organization

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

Small Aluminum Pocket Compass, 45mm Subcategory_Molecular Models and two removable stainless steelPocket sized 45mm aluminum compass with a graduated dial, suited to fieldwork in geography units and orientation activities outside the classroom.