The two most important things you'll need to create a Ryobi train horn are an air horn installation kit and a Ryobi power drill. The former can be obtained on Amazon for around $30 –- this kit ...

Hilariously Prank Your Friends With a Deafening Handheld Train Horn By Andrew Liszewski Published January 16, 2013 | ... a CO2-powered handheld horn that’s as loud as a passing train.

The two most important things you'll need to create a Ryobi train horn are an air horn installation kit and a Ryobi power drill. The former can be obtained on Amazon for around $30 –- this kit ...