Loud signal emitted by locomotives to warn or communicate.
SoundVehicleTransportationWarning
Current best complexity is 6:
Train whistle can be discovered in Concepts, categorized under Sound, Vehicle, Transportation, Warning. Loud signal emitted by locomotives to warn or communicate.
It has been discovered by 1 board and crafted 1 time, first appearing 2 hours ago. Train whistle can be created from 1 recipe.
Train whistle was first discovered by secret 2 hours ago. They also hold the lowest-complexity recipe, at 6.
Related concepts worth exploring include Thunder, Echo, Submarine, Fleet, Locomotive, Seaplane, and 6 more.