STRONG CLIMBER

Here's my entry for the contest.
I wanted to distinguish my entry from the others, it is not the most beautiful, it is not the fastest but it is original ;)

IT IS NOT FINISHED, IT CAN HAVE STABILISATION PROBLEMS AND FALL.
Please if it doesn't work retry.

Update 1 :
-Removed Rockets
-Removed Wheels and bottom part
-Added a body and a face
-Improved a bit the stability
-Changed a bit the way it climbs
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Update 2 :
-Allowed derivaties
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Hope you like it !