1. Diverse Shapes: There are various building shapes such as castles, small fortresses, and pyramids, providing diverse choices for fish tank scenery-making to meet different preferences. 2. Meet Habits: It can serve as a hiding place for fish, conforming to the habit of fish that like to hide, making them feel more secure in the fish tank. 3. Exquisite Craftsmanship: The resin craft is exquisitely made with meticulous details and realistic shapes, adding an artistic atmosphere to the aquarium.