Great for crafting cube countdown calendar, gypsum decorations, Christmas present, Christmas decorations, office table decoration, birthday present. Each set of silicone block calendar molds comes with number cube silicone molds and resin display holder molds, sutiable for crafting desk calendar, home decoration, epoxy resin project. Use these number cube silicone molds to make countdown calendar, home decoration, resin craft. Could be used with concrete, cement, gypsum, clay, epoxy resin. Crafted from silicone. Soft and flexible, good durability, easy to use. Dishwashers, oven and fridges safe, not easy deformed. For crafting block calendar or resin craft, add various embellishments, such as essential oil, dry flower, sequins, rope, resin color and other crafting supply you like.