Japenese Cake Gem 

Ingredients

• 8-inch cake layer (baked and cooled: about 9 oz, to yield 2 cups cake crumbs, or 1/3 of a cake prepared from a boxed mix)
• 1/3 to 1/2 cup prepared frosting
• 6 ounces pink candy coating (or other colors of your choice)
• 6 ounces blue candy coating (or other colors of your choice)
• Optional: edible gold or silver leaf