How to lock the keyboard - macbook

I know most people are trying to UNlock their keyboards....
My wife uses her macbook to show movies to my 3 and 4yr old while traveling. But the kids can't helpthemselves and after 5 minutes try and "type like mama". which inevitably stops the DVD causes another program to open or something. Anyone with kids knows this instant "mayhem and change" on the screen only encourages the behavior.
Good kids.. but who can resist playing with a Mac, regardless of how old they are
Is there a way to lock the keyboard to that only pressing a certain combo will enable it again? (and keep programs/DVD running)
Thanks
-mosermac2

There's not a function to turn off the keyboard however you can turn mouse keys on and most of the keyboard keys will be ignored.
The shortcut for this is pressing Option five times. Do it again to turn mouse keys off.
Also can be set in System Preferences > Universal Access > Mouse & Trackpad tab.
Regards,
Captfred

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return self._on
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UPDATE Added an option to change the path, e.g. "serio0" or "serio1". And prints the description, for me serio0 gave me: i8042
KBD port, most likely if you have "KBD" in it, it's right, continue, otherwise I give you no guarantee :)

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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

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