Miraclekoo 1000 Pcs UV Beads Color Changing Beads UV Reactive

Miraclekoo 1000 Pcs UV Beads Color Changing Beads UV Reactive Plastic Luminous Pony Beads, Glows in The Dark Bead, Fun for Jewelry/Bracelets Making
- Changes color immediately when exposed to sunlight, even on cloudy and rainy days, The more UV ray, the darker it will be. When the light go out watch these beads glow.
- 7 Assorted Colors: Rose, Orange, Yellow, Fuchsia, Blue, Indigo, Violet. Please pay attention that the yellow color is quite similar to orange color, please distinguish them under strong sunshine.
- Size: 8mm in diameter, 6mm in high, 3mm hole in the middle; Quantity: approximately 1000 pieces.
- Fun for jewelry making, and great for teaching UV awareness!
- NOTE: They need to be put under the ultraviolet first until they turn into different colors; Then they will glow in the dark. The stronger the ultroviolet, the brighter they will glow in the dark. If they don't put under the ultraviolet first, they will not glow in the dark.
Not only applicable to a variety of artifacts, unique gifts, also applies to all kinds of teaching, party game activities, and parents and teachers can cultivate the children's perception of colors and letters. Watch white beads change to colored when taken outside the building! When returned they turn back to white. What causes the change? Humidity? Temperature? Fresh air? Birds flying overhead? The beads contain pigments which react with ultraviolet light from the sun, even on a cloudy day. Great for teaching UV awareness! Use the beads to test the UV blocking effectiveness of sunblock, sunglasses, windows, etc. Lesson activities are included. Packaging quantity: 1000(Please Note: The colors are packaged randomly but we will try to make the quantity of each color even. ) UV Beads have assorted translucent colors : Rose, Orange, Yellow, Fuchsia, Blue, Indigo, Violet. The material of products Miraclekoo UV Beads are extremely sensitive to natural light and change color dramatically from white to various colors when exposed to sunlight or even on an overcast day. Containing trace amounts of a photochromic pigment that are sensitive to the ultraviolet component of daylight, the beads have many different uses ranging from scientific testing of (ultraviolet) sun block materials to the creation of 'smart' jewellery.They need to be put under the ultraviolet first until they turn into different colors. Then they will glow in the dark. The stronger the ultroviolet, the brighter they will glow in the dark. If they don't put under the ultraviolet first, they will not glow in the dark.

Country	USA
Brand	Miraclekoo
Manufacturer	Miraclekoo
Binding	Unknown Binding
ItemPartNumber	MUVBMCCUV
Model	MUVBMCCUV
Warranty	Manufacturer Warranty for 30days from date of purchase.
Color	Multi-Colors
Size	Small
UnitCount	1000
UPCs	701799235139
EANs	0701799235139
ReleaseDate	0000-00-00

Miraclekoo 1000 Pcs UV Beads Color Changing Beads UV Reactive Plastic Luminous Pony Beads, Glows in The Dark Bead, Fun for Jewelry/Bracelets Making

Customers who purchased this also purchased....