This is a standard 5mm size LED that emitts UV - ultraviolet light. Great for hobby electronics projects and science fair projects wherever UV light is needed (checking counterfitting features of money or credit cards, lighting up glow-in-the-dark stars, making scorpions glow, etc.). Works on 3.5V so two AA batteries in series will do.
Explore the wonders of wind power with this amazing kit!
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Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
This magic bird defies gravity before your very eyes!
Learn about detective science through this fun fingerprinting kit!
Head into the lab for an in-depth investigation of genetics and DNA!