Because the box is transparent, both signatures can be seen on the disc. The spectator places the box onto the chosen card and makes a magical gesture. He then opens the box and drops out the disc. Strange as it may seem, the name of the playing card is now printed in a different color underneath the signature on one side of the disc! Everything can be immediately examined!
Let the Infra-Red Box mysteriously light up by using Rocco's D-Lite. "D-Lite" not included.