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I wouldn't be concering yourself with how many parts this will be, It's always nicer to see something short and done with lots of effort than an entire series of what appears to be you learning how to animate by the keyframe. My suggestion is to spend more time on these!
Storyboard > Key Poses > Inbetweens > Timing.
Storyboard isn't essential if you're just 'going with the flow', and I put timing at the end because this is not traditional animation and I find it easier to tweak things globally near the end, rather than spending too much time fiddling with it in the early stages.