The Solar Trader Colour Changing UV Beads

{ } Expose these UV beads to sunlight and even on cloudy days they will change from white to a ra

The Solar Trader Colour Changing UV Beads

{ } Expose these UV beads to sunlight and even on cloudy days they will change from white to a range of colours and back to white when indoors. Use UV beads to make jewelery and hair braids or why not try some simple experiments like putting sun screen on some UV beads to test how effective it is at blocking UV rays. When these white colourless beads are exposed to ultraviolet light (like sunlight) they change colour. This is because they are made of photochromic material. When expo

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