Powered by paper bellows this train whistle model makes a realistic train sound!
The train whistle model consists of two tuned pipes and a set of paper bellows. Pump the bellows and the pipes make a realistic train sound. The download comes with parts and instructions ready to print out.
The train whistle model consists of two tuned pipes and a set of paper bellows. Pump the bellows and the pipes make a realistic train sound. The download comes with parts and instructions ready to print out.
