A classic trick, brought up-to-date with modern technology! Two USB flash drives, one red and one black are freely shown. They switch places several times, each more visual than the last, and then the black drive stretches to three times it's normal size!
 
EASY TO DO!
FUN TO PERFORM!
EYE-POPPING MAGIC!
GREAT CLIMAX!
PERFECT FOR STROLLING!
 
Includes: 3 small flash drives, 1 long flash drive, full-color instructions with photographs and online video tutorials.

* These custom-designed flash drives do not contain memory.