Shop Hot Cocoa Bomb Molds, Boxes + Micro Marshmallows at Bakers Shop. Find a variety of silicone sphere molds and shaped molds to make a variety of styles of hot cocoa bombs. We also have tiny micro marshmallows in soft and the slightly crunchy dehydrated styles along with our "Unicorn Poop" marshmallows that are perfect for making Unicorn Hot Cocoa Bombs. Use our clear cupcake boxes to pack up your large hot cocoa bombs or our cake gem boxes that fit many of our shaped molds.