These sets are available in Pink, Gold/Multi Color, Turquoise, and Red. I believe that Nail Rock is the same company that designs the Eye Rock eyeliner temporary tattoos.
The instructions seem super simple. Apply the base coat, roll your finger in the caviar beads, press them into the basecoat, wait 15-20 Minutes and Voila! Your nails are complete.
This is a trend I have not yet tried but would be interested to hear or see photos if you have.