Tea pet is an optional accessories that can make your tea party much more fun. When you need to rinse your tea, instead of dumping the water away, you can pour the water over the tea pet instead. This is supposed to be a good luck thing to do during the tea ceremony. Watch how the black swan turn into a white-pink swan. The black swan changes color when it touches hot water. This tea pet also makes a nice conversational piece during your tea party.