This is a CGI effect that you can do in reality by only using ONE rubber band.The performer has a red rubber band in his hand. The color of the band will change slowly after the finger crosses the band.
What do you get?
Cardtoon Deck (1) by Dan Harlan
Candy Vault by André Previato and Kenneth Costa
UNHARMED by Jay Sankey (DVD and Gimmick)
PrediChange (DVD + Gimmick) by Yonel Arcade
Blockbuster by Jay Sankey (DVD + Gimmick)
Svengali Deck (Bicycle) (Green)
Noted 2.0 Red by Gary Jones and Magic Tao
WGM Gypsy Thread (UV GLOW) by Murphy's Magic