Each pin features the text "Kai Tak Hong Kong International Airport 1925–1998" on a dark base, with vibrant colored designs depicting iconic aircraft landings: Blue pin: The blue represents the sky, with a plane approaching and a silhouette of Lion Rock (the iconic lion-shaped mountain symbolizing Hong Kong's resilient spirit), plus "100" marking the airport's centenary in 2025. Green pin: An aircraft flying past the famous checkerboard hill, a visual cue for pilots on the dramatic Runway 13 approach. Yellow pin: A jet soaring above the Hong Kong skyline, evoking the low-level flights over densely built Kowloon. Red pin: A plane banking sharply against the iconic red-and-white checkerboard pattern on Checker Hill, symbolizing the heart-pounding final turn. *Actual colors may vary from the colors on your screen due to monitor color restrictions. Material: Metal Size: 34 x 23 mm