Contest: Drive, swim and climb!

In this contest, you must build something which can cross the obstacle course made of the driving part, which is until the lake, which you must cross with a boat-like-thingy. In the last part, you must climb up this walls.
RULES:
1. Lua is allowed, but not for movement (no apply_torque or set_velocity or warp)
2. Don't use thrusters or rockets!
3. You must build your vehicle on the white pixel part.
4. Without any plastic beam, it won't work.
5. The contest ends at the 9th May.
6. Good luck!