These Engineers Built a Real Bat Signal That Actually Works

How to Make a BATSIGNAL (For Real!)

We built a GIANT Bat Signal that actually WORKS!

We built a GIANT Bat Signal that actually WORKS!

LEGO MOC Slightly more accurate Batsignal (The Batman) by

A signal calling Batman in a real world building is lit - GIGAZINE

Random Happenstance: Build a working, non-working Bat-Signal!

Engineers build a massive Bat Signal that actually works

The Bat-Signal - FATHERS OF THE DARK Knight

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Batman and Bat-Signal Collectible Set by Hot Toys