Rainbow Rings (watch video).
Three rings are displayed, all red color, to the audience one by one.The surprising thing happens when the magician puts the three rings together. The middle one of these rings has changed to a colorful ring! It happens again when the magician puts the three rings together .The other one of the rings has changed to a colorful ring too. The final time,another red ring also changes to a colorful ring in the magician hands. Colorful, visual Magic!
Rainbow Rings (watch video)