Thames & Kosmos ~ Glow Stick Lab
Make your own glow sticks in three colors using non-toxic phosphorescent substances and a special glow stick tube with a built-in ultraviolet light. Experiment with different glowing chemicals from around the house.
Batteries Required: 3 button cell (1.5 volt, LR41)
Product Dimensions (Inches) 8.75 x 11 x 2.5