INTRODUCING....SUN-BOW U.V. Detection Beads!!
These beads change color when exposed to direct sunlight and / or cloudy days...use these beads to safely show students how to detect Ultraviolet radiation rays. Students can thread 3-4 beads on a pipe cleaner or heavy thread creating their own UV detector! Charge your UV Beads indoors with our Hand Held Blacklight.200 Count
UV Detection Bead
Lesson Plan Link