Rough Diesel Idle Sound Circuit LED Category_Kit 3 volt AA holder with

3 volt AA holder with switch

Now you can easily swap from 12 volt wall adapter

Or for plug in 12 volt you can get one our 12 volt regulated adapters so you'll never have to change the battery

PC Software for Windows

Our 3 LED Sequence Circuit provides a great way of animating a scale model with a repeating sequence of lights

Rough Diesel Idle Sound Circuit LED Category_Kit 3 volt AA holder withTruck Engine Sound Effect Circuit Add this rough diesel idle engine sound effect to your model semi trucks, tow trucks, excavators, tractors, and more heavy diesel vehicles! This idle sound circuit has a compact design allows you to discreetly place it into your model vehicle, or amidst your landscapes or diorama to create a great soundscape to enhance the overall realism and experience of your model, layout, or diorama. Make your truck come alive!