Set of 4 ballpoint pens: ① White: Received at an event in Taiwan. ② Pink: 4-color ballpoint pen (black, red, blue, green). ③ Blue: Promotional item from Doctors Without Borders. ④ Syringe: Obtained from a game center. These are amusement products and promotional items, and several years have passed since I received them. Although unused, the ink may not flow well. Please understand this before purchasing.