The Ultimate Bowling Ball from Briefcase

EFFECT
 
A briefcase is opened and shown to be empty. It's then closed, turned upside down, and opened again and a bowling ball drops out of the case.
 
ALTERNATIVE EFFECT:
 
A briefcase is placed on a table and shown to be empty. A bowling ball or a bowl of live goldfish can then be produced from the case.
 
Great for stage or parlor
Perform as an opener or anytime during your act. Other objects can be in the case prior to production.
Produce a bowling ball, goldfish bowl, tennis balls, the possibilities are endless
You will receive a specially adapted briefcase and online video tutorial.
Bowling ball, tennis balls and goldfish bowl not included.
 
NEW BETTER QUALITY CASE NOW AVAILABLE, FEATURES GOLD CATCHES AND HINGES AND A GREY VINYL INTERIOR. STANDARD SILVER CASE AS IN PHOTO ALSO AVAILABLE.