The UV LED (or "UltraViolet Light-Emitting Diode") Bit sends out a special kind of light. It looks purple to the eye, but it has some special abilities, like making white fabrics and certain inks glow in the dark. If you have a pen that writes in UV-sensitive ink, you can use it to reveal secret messages.

Check out our Tips + Tricks for more ideas on using the UV LED.

(LI-650-0045)

SKU LI-650-0045
Brand LittleBits

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