Beads UV Color Changing

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Beads UV Color Changing changes colour upon exposure to UV rays, offering an aesthetically pleasing way to measure UV intensity. This tangible indicator can be used to gauge sunscr een effectiveness, to alert users to potential UV radiation, or for educational purposes. Once exposed to UV rays, the beads visibly shift in colour, allowing students to conduct experiments that measure their sun exposure. Pack: 250 pcs Product Code: SE.HL0015-02 *Choking hazard - not suitable for children under 3 years Show more