UV Detecting Colour Changing Beads
Details
https://www.tts-international.com/uv-detecting-colour-changing-beads/1008564.htmlProduct Code: 708-SC00853
Ultra violet reacting beads which turn from white to varying bright colours when exposed to sunlight or other UV light sources.
- The beads change colour when UV light is detected
- Use to experiment with the power of the sun at different times of the day
- Investigate the effectiveness of different SPF products