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.
This science kit is an essential introduction to physics knowledge!
Learn Chemistry While Creating Sweet Treats
Create beautiful art with this amazing sun paper!
This kit includes several different projects that demonstrate the power of magnets!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This black scorpion specimen is great for the classroom setting!
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