"SCIENTIFIC hach"

Durable Staining Dish with Less Mess

Reliable kit in a quality carrying case!

Economical noncontact thermometer fits right in your pocket!

Frosted acrylic lenses for optical experiments.

Quality resistors for electrical experiments.

This durable gauze has a ceramic fiber center for flame protection and a longer life.

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Snap on battery connectors for your electronics projects.

Inexpensive yet accurate.

Demonstrate refraction and internal reflection.

Quality ceramic resistors, perfect for physics experiments.

Compact battery holders with wire leads.

Compact electric storage for circuits.

Small temperature difference create motion in this unique engine.

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.

Equilateral prisms, made from high quality clear acrylic sheet.

Control the current direction in circuits.