From publisher's website:
Pearlized Fudge Dice in "Olympic" colors: Gold, Silver, and Bronze!
Not only are these dice gorgeous and fun to roll, but we're offering· Olympic Wins Prizes to lucky dice owners! On the back of selected label inserts (in approximately 1 out of every 76 boxes), hidden by the dice, there is a secret prize code. Find one of these secret codes and enter it at the listed website address and you can win "fabulous" prizes from Grey Ghost Press!