15-Layer Cake

 is a decoration released with the Sleeping Beauty Update on 4th May 2016. It can be found in a Silver Enchanted Chest.

Trivia

 * was removed from the shop, giving it limited-time status, with the Earth Day, Easter Update on 12th April 2017.
 * lost it's limited-time status when it was added to the Silver Enchanted Chest on 7th June 2017.