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.
Ever wonder how to survive in the wilderness? These cards can help!
The Wimshurst Machine is a high quality static machine for student labs.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This project book and sample kit introduces you to shape-memory alloy technology!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Perform awesome experiments using everyday materials found in any kitchen!
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