Use for far more than just pointing! The stunning blue-purple glow can be used for spectroscopy, fluorescence, microscopy, and more. The 405 NM wavelength beam has a power output of less than than 5 mW. Beam dimensions are 1 mm at aperture. Operatin..

Grades 8-12.
Throws a spectrum up to 78³⁄₄" (2 m) long! Made from ¹⁄₄" acrylic, this 16" H right angle prism will withstand the abuse of the classroom. When filled with ..

Grades 7-12.
Designed to demonstrate laws of reflection and refraction in optics. The set consists of an 11" rotatable disk with a 360° graduated scale, a light shield, a heavy tripod stand, and activity guide. Accessory kit inc..

Grade 4 and up.
A handy, compact unit easily suited to your laboratory needs. Features 1.25-15V DC, 0.5A@8V, 0.3A@12V, 0.2A@15V, and a short-protected IC thermo. Two-year warranty.

Use for the classic demonstration of spectral lines. Each tube has its own characteristic spectrum when energized before a spectroscope. This tube acquaints students with the spectra of common gases in their pure form as well as for demonstrating wavele..

Use for the classic demonstration of spectral lines. Each tube has its own characteristic spectrum when energized before a spectroscope. This tube acquaints students with the spectra of common gases in their pure form as well as for demonstrating wavele..

Use for the classic demonstration of spectral lines. Each tube has its own characteristic spectrum when energized before a spectroscope. This tube acquaints students with the spectra of common gases in their pure form as well as for demonstrating wavele..

Use for the classic demonstration of spectral lines. Each tube has its own characteristic spectrum when energized before a spectroscope. This tube acquaints students with the spectra of common gases in their pure form as well as for demonstrating wavele..

A portable and inexpensive alternative to fog or haze machines that safely makes light beams or laser beams come alive. Great for creating special effects with laser pointers. Each 30-second spray will last about 30 minutes. Safe, nontoxic, nonirrit..

A portable and inexpensive alternative to fog or haze machines that safely makes light beams or laser beams come alive. Great for creating special effects with laser pointers. Each 30-second spray will last about 30 minutes. Safe, nontoxic, nonirrit..