This looks like a great feat but is super easy to do! A great beginner’s trick but also well suited to fool your friends.
Nine dominoes with inlaid colored discs are handed to the spectator who is asked to lay them in a line in any order with the only condition that two adjacent colors need to be the same. You can correctly predict the two colors on the end . This could be immediately repeated any number of times. Each time with a different result.