Flashing Light Using Redstone

This is a really cool flashing light that you can use it for houses and other stuff.

Step 1: Make It Look Like This.

Step 2: Now Add 1 Wire at Any Corner and Place a Redstone Lamp.

Step 3: Place a Redstone Torch and Put It at Any Corner Then Immediately Destroy It

Step 4: Then You're Done! Tip: Use Some of the Repeaters to Control the Speed