Build Your Own Destruction Ray Machine!!

People on Earth have suddenly started going insane! Why?

Interplanetary swell guy Rex Dexter is called in to investigate!

A quick trip to the moon later...

Why, of course...

Rex finds the dreaded device...

YOWZA!!

He and his crew blow it up, and kill of the bad moon people!

But wait--that's not the end!! The very next page lets you build your very own insanity-dealing moon-based death device!!

Holy crap!!

Yes, get out your razor blades, kids!!

Anyway, this will look pretty boss when I'm done. Just let me snip out this piece...oops...well, a little tape can fix that! Now to fold this...uh-oh. Well, that's not too bad. Now if I just...

Two hours later:

Well, there's a reason I was always chosen last for Arts & Crafts teams...

From Mystery Men Comics #14 (1940)