Set UV Beads, purple, 60 pcs., Exploration & Experimentation, Research Workshop, School

The UV beads in this set react to sunlight and change colour immediately! This makes it easier for children to understand the concept of UV…

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Watch white beads change to purple when taken outside the building! When returned they turn back to white. What causes the change? Humidity?

UV Beads, Change to Purple

Revealing UV with Color - Changing Beads

Revealing UV with Color - Changing Beads

SUNLIGHT REACTIVE COLORED BEADS

Set UV Beads, purple, 60 pcs., Exploration & Experimentation, Research Workshop, School

Uv beads

African Violet Lampwork Spacer Beads Purple Pink Blue Sra Choose From 2 4 5 or 6 Bead Sets

Uv beads

Balls, Outdoor Toys, Toys & Hobbies - PicClick AU

Revealing UV with Color - Changing Beads

Cool Toys and Gifts For 6 Year Old Boys 2022 - ToyBuzz Gifts