Description
Discover 15 activities to do in the dark!
Turn on the UV light to see the fluorescent dyes. Make glow-in-the-dark slime and bouncy balls that glow at night.
For phosphorescent products to glow in the dark, they must be exposed to bright light for several minutes.
Turn on the UV light to see the fluorescent dyes. Make glow-in-the-dark slime and bouncy balls that glow at night.
For phosphorescent products to glow in the dark, they must be exposed to bright light for several minutes.