No, it doesn't have an eingine, but he's on two wheels.

[numb41]

http://wimp.com/mothernature/

I would love to learn how to do this!

[loingrader]

Stop by sometime.  I'll show you how.

-Bret

seriously though, that is awesome.  i love watching him roll around on his front tire backwards.  must have some pretty stout wheels for some of the drops he does.

AWESOME.

[Dr Psyko]

Amazing.

[plumber mike]

Amazing.

X2

Thanks for the link.