Ok.... back to the instructions ....
(If you're new here, click the link below to view photos of Spring, made from set 31007 Power Mech. If you're tempted to build one on your own, this post will provide the steps )
LEFT AND RIGHT ARMS
Warning: Take coffee before proceeding. This component requires longer steps.
COMBINING 'EM ALL
If you're looking for the head.... You gotta build one yourself!
As a little reward for viewing my blog post till the very end, below is a lil' teaser and hint on my WIP (Work-in-progress)