Multi Color Changing UV Reactive Plastic Pony Beads (1000 Beads) - Also Glows in the Dark Changes color immediately when exposed to sunlight When the light go out watch these beads glow when charged by a light source 1000 Beads - Official Gerts Glow House Brand 7 Assorted Colors: Rose, Orange, Yellow, Fuchsia, Blue, Indigo, Violet Come with (10) 3-foot stratch string to make fun jewerly and more