I mentioned this robot device here.
It is a lego product, and is specialized in technic and mindstorms!
And it is awesome!!!
Here:DUNDUNDUN!!!
Awesome!
I have ver.2.
And you can build anything with it!
Unfortunately, it costs a lot.
And you need batteries.
And a computer!
But the ups defeats downs.
If you get it GOOD FOR LUCKY YOU!!!!
If you don't then get the above!