An electric blanket, or fireplace items will keep Kun warm at heart. TOP Chen is wood, so anything made of wood would be liked by Chen. Since water produces wood, water gifts are also a good choice. Steer clear from metal gifts, as metal is destructive to Chen. TOP Sun is wood, so anything made of wood would make a nice gift for Sun.
Water is the next best choice, as water produces wood.
Stay away from metal gifts, as metal is destructive to Sun. TOP Chien is metal, so metal gifts are wonderful to Chien. Earth produces metal, so earth type gifts will do good, as well. Stay away from fire gifts, as fire destroys metal. Pottery items would be appreciated, also.