AGAR BISA BERCAHAYA HARUS MENYERAP SINAR MATAHARI DULU DALAM JANGKA WAKTU TERTENTU
Description: 1. Changes color immediately when exposed to sunlight, cloudy and rainy days. 2. The more UV ray, the darker it will be. The beads will glow in the dark. 3. UV Beads have assorted translucent colors, beautiful and funny DIY accessories. 4. Suitable for jewelry making, and great for teaching UV awareness.
This Luminous Effect Need Absorb Light Firstly.
3 methods to make it fluorescent:
1. Showing under the sunshine at least 5-10 mins
2. Showing under the light at least 15-30 mins
3. Showing under UV light will fluorescent directly.