"power+supply"

Mark any surface including glass, metal, or plastic with these fine felt-tip pens that use black instant-dry ink. Package of four.

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Disposable Pasteur pipettes are ideally suited for use in both clinical and industrial laboratories.

Fully investigate density, buoyancy and specific gravity.

Study series and parallel circuits with this high quality apparatus.

Pre-cleaned borosilicate glass test tubes with rims. Tubes can be used for hot or cold applications, are reusable, and can be autoclaved.

This durable polystyrene planting tray is an excellent way to start your seedlings.

This clamp can be attached to any standard meter stick. It is used as a knife-edge fulcrum for supporting the meter stick in the inverted position.

This 1 subject notebook has 70 sheets of college ruled paper.

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These versatile spatulas have different tools on either end; choose the style best suited to your particular needs.

Classroom electroscope housed in a 250 ml borosilicate flask.

Easy to use folding mapping compass.

This simple device gives a graphic demonstration of the sun’s radiative energy.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Good quality natural black bristles, mounted in twisted heavy gauge galvanized wire with radial top.

Demonstrate Torricelli’s theorem to show the relationship between water pressure and depth.

This STEM-based curriculum kit accents the scientific method and independent inquiry featuring hands-on learning materials and exciting interactive digital content that can be accessed on a computer, tablet, or mobile device.