Whistles Unlimited 20 - Train Whistle Junior -

Whistles Unlimited Train Whistle Regular

Whistles Unlimited Train Whistle Mini

You want to add a touch of realism to your layout?  Add some details.  CN early style whistle postSet of 5Osborn Model Kits manufactures an extensive line of N scale scenic detail...

Whistle sign set - 4 cast metal pre-painted, labeled and weathered signs. JL Innovative HO Scale Whistle Sign Set (4)

Steam Whistle sign set - 4 cast metal pre-painted, labeled and weathered signs. JL Innovative HO Scale Steam Whistle Sign Set (4)