What I've Been Up To... And a Giveaway!

Yes, I've been absent from my blog for well over a week now. Most inexcusable, I know -- but I do have a good excuse!

I've been spending a lot of time with this:



And this:



And these:



And a *lot* of time with this:



And some time with this, too:




Any ideas? The first reader to comment with the correct answer (or the reader who comes up with the closest answer) will receive an undisclosed prize -- undisclosed, because the prize is the answer! *hint hint*

If no one comes up with the exact answer before February 25th, I'll pick the closest answer and post a "reveal."

And keep your eyes open for some hints...