Pierres et Galets phosphorescents

Our "glow in the dark" stones and pebbles are quicly storing light energy from sun or an electrical source, and then they are able to produce an Awesome luminescent glow in the dark for long period of time .

Composition : Plastic PS

Dimension: 4 - 7 cm (2 inches)

Day color : grey / colorless

Night color : vivid color

Luminescence decay : up to 10 hours in the dark

Life time : up to 25 years

Use: perfect for indoors or outdoors

100% Non dangerous, non radioactive