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Steve Spangler Science® Glow Powder Kit And Black Light - 1 Multi-Item Kit

Steve Spangler Science® Glow Powder Kit And Black Light - 1 Multi-Item Kit. Give your students an unforgettable lesson in fluorescence and phosphorescence with hands-on activities using glow-in-the-dark powder and black light. Glow Powder, best seen in the dark, is actually zinc sulfide, a compound that glows when light ener... - Steve Spangler Science® Glow Powder Kit And Black Light - 1 Multi-Item Kit.