Contest: Walker [my entry]

In this competition you are to build a walker. Simple enough? If you have ever tried to build one you understand that it is a bit more involved than first glance would suggest. You will be judged on complexity, size and speed.

Rules:
1. No lua
2. Must have only 2 legs
3. No fans, rockets, or thrusters.
4. Use of stabilizers is prohibited.
5. No old levels please.
6. Do not alter the levels environment (eg: gravity).
7. Must be a derivative of this level and derivatives must be allowed by contest close.

Contest will close on February 1st at 10pm PST.

Good luck and have fun!