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UV Beads Crystak Bracelet

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UV Beads Crystak Bracelet

$7.95 $3.95 Incl. GST

Make your own bracelet – includes beads, thread and instructions.

Beands change from clear to coloured in the sun in 60 seconds.

In stock

SKU: HJ-0011 Categories: ,

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Description

Experiment:

When the UV beads are exposed to daylight, even on cloudy days, they change from clear to coloured. Bring them inside and they turn clear again. The beads are not affected by regular light bulbs because they lack UV light. Try putting sunscreen on a bead and see the ‘UV Blocking’ effects. What else blocks UV? Try exposing the beads under a pair of sunglasses. The fun is endless.

 

 

Additional information

Weight 0.05 kg
Dimensions 14.5 × 9 × 2 cm