WARNING! The ring that you select should be slightly larger than the size you normally wear. Magically move your ring through ALL FOUR of your fingers! A revolutionary new Ring Through Finger effect! From the man who brought us The Ring Thing. Ring by Roy Kueppers included. Ring Size:21mm (11 1/2 US)DVD Running Time Approximately: 75min WARNING! The ring that you select should be slightly larger than the size you normally wear.