J-14's fun facts about Justin Bieber's My World tour keep rolling in. Today is about all the cool effects and props that Justin gets to use on stage.

Check 'em out:
• 1 million pieces of confetti are used for each show.
• 10 disco balls fit in the "My World" globe.
• The metal heart prop weighs over 400 pounds.
• Highest in-air stunts are performed at 30 feet off the ground

Don't miss any of our My Wold tour fun facts:
-Justin Bieber Tour Fun Facts: Wardrobe
-Justin Bieber Tour Fun Facts: Equipment
-Justin Bieber's "My World" Tour Kicks Off Today

Check in tomorrow for even more facts about Justin's My World tour!

Are you going to one of Justin's shows?

Photo: Courtesy of Island Def Jam