Domino Line

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How to Build the Trick:
Place a domino vertically on the surface you are building on. After that, keep placing another domino parallel to the first domino, and 1.5 domino widths away.

How to Start the Trick:
Use your finger or another object to topple the first domino.

How to End the Trick:
You can have the domino line start more tricks, or have it knock down a structure.

Examples:
On the right is a picture of a domino line.