Lego Truck, Version 3

A while ago I created a Lego truck that contained a surprise cargo. Well, I thought I'd have another attempt at this, but make it a longer vehicle. Here is my 3rd attempt:

Ogre, a Lego Tank

Here is a neat video of Ogre, a Lego Tank that I found on YouTube. It can be controlled remotely or can work autonomously.

Fantastic invention.