3D and Novelty

American Paper Optics - A manufacturer of 3D and novelty glasses.
www.3-dglasses.net/

3D Glasses Direct - Manufacturer of 3D Glasses including fireworks glasses, solar eclipse viewers, and holographic diffraction grating films.
www.3dglasses.net/

Fireworks Glasses.com - Holographic diffraction grating lenses for viewing fireworks displays, laser light shows, holiday and city lights and for the study of light and color.
www.fireworksglasses.com

Rainbow Symphony Inc. - Manufacturers of 3D glasses including fireworks glasses, solar eclipse viewers, and diffraction grating films.
www.rainbowsymphony.com/