12 Lines on the Underground
14 Lines in the London Underground System
The ditloid "20000 L U the S" stands for "20,000 Leagues Under the Sea." It refers to the famous novel written by Jules Verne, which tells the story of Captain Nemo and his submarine, the Nautilus, as they explore the underwater world.
seven spikes on the statue of liberties head
50 is L in Roman Numerals
12 seconds on the buzzer
Fifth-Generation Language
No Limit in Time
17 yak liquorish
This is a Ditloid. The answer is 12 sides on a dodecagon.
12 Semitones In An Octave12 Sides (edges) In An Octahedron
1 Wheel on a Unicycle
3 Way Light Bulb