"water bath"

Economical laser pointer, useful for many optical experiments.

Class IIIa red laser pointer for optics experiments.

Bright, beautiful green laser pointer.

Affordable pen-size red laser pointer.

Class 2 laser are safe for classroom use.

Excite your students with this affordable blue-violet laser pointer.

Perfect for exploring the science of wavelengths, refraction, and diffraction.

Compact design laser with independent red and green buttons.

Bright green laser pointer ideal for well-lit classrooms.