TEKNO BUBBLES are patented, safe non-toxic blowing bubbles that look and act like normal bubbles under regular lighting, yet are unlike any other bubbles in the world. Blue Tekno Bubbles have a beautiful, brilliant glow under UV (blacklite) lighted conditions. This 1oz bottle of Tekno Bubbles comes in a yellow/green UV reactive bottle with a wand for blowing. Size: 1 US fl. oz. bottle, Color: Blue 48pc POP Display Available. Order 24pcs Blue and 24 Pieces Gold for Display.