"The Mystery of Lyle and Louise"

Individual spherical glass lenses.

Makes demonstrations viewable by the entire classroom.

Ideal selection for use with a ray box.

Individual spherical glass lenses.

Provide a convenient way to illustrate the properties of lenses to students.

All Types and Sizes for all Optical Applications.

Formalin preserved grassfrogs. Available in vacuum packs or pails.

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

Useful for collision and pendulum experiments.

30 cm, no holes.

Comes with the preferred and patented Stat Strip® easy opening wrapper that nurses request.

Holds skin in place when stitches are not needed.

Creates a moist wound healing environment.

Highly absorbent non-stick pads are designed to protect the wound site.

Bandages come with the preferred and patented Stat Strip® easy opening wrapper that nurses request.

This elastic bandage wrap is an absolute necessity in all first aid kits.