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A reliable dog whistle made from only  a few legos.

Step 1: Supplies

The legos in the picture.

Step 2: Put It Together

The pictures will show you how

Step 3: Use

To use lightly blow into the white lego piece. The long piece with holes is a handle.
<p>wow! it really works!</p><p>this is awesome!!!</p>
Does it really work? If it does thats pretty cool

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More by masterminnich:High Frequency Lego Dog Wistle Nerf Dart Mod Hide Anything in a Book 
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