Schematic: Blue Firework

• Schematic: Blue Firework
• Use: Teaches you how to make a Blue Firework.
• 

  • Blue Firework
  • Use: Shoots a firework into the air that bursts into a thousand blue stars. (1 Sec Cooldown)
  • Sell Price: 5
• Heavy Blasting Powder, Heavy Leather
• Requires Classic Engineering (150)
• Sell Price: 4 50

Teaches how to create a  [Blue Firework].

Source

This is a Limited sale recipe available for 18 from

•  Gearcutter Cogspinner in Ironforge
•  Darian Singh <Fireworks Vendor> in the Mage Quarter in Stormwind

Patch changes

• Patch 1.4.0 (2005-04-19): Added.
  

External links

• Wowhead
• WoWDB