Calcium carbide is placed in a cylinder containing water. A reaction occurs producing acetylene gas bubbles. A plastic tube from a chlorine gas generator is placed in the cylinder. As the bubbles of acetylene and chlorine collide flashes of light are produced.

Kit Includes:

1 x 250mL Sodium Hypochlorite
1 x 30mL Hydrochloric Acid, 1.0M Solution>1 x 10g Calcium Carbide, Lumps