Shopping security
Laser ray box producing three or five monochromatic 635nm red rays, brighter and more visible than white-light ray boxes for reflection, refraction, and lens-geometry demonstrations.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order