High Frequency Lego Dog Wistle

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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.

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    2 Discussions

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    Kevin is boss

    5 years ago

    Does it really work? If it does thats pretty cool