I was over-excited over the lego winder, but reading the instructions I had to come to this conclusion : i'm no lego freak, I can't even begin to grasp the way it's constructed, less so in English.

So I typed for help in my google tool bar and here what's it came up with:
Make your own power yarn winder.
I cannot thank enough the kind lady who wrote this tutorial.
If you read me, Thank you so much!.
I am going to use this method, especially now that I've just spent one hour trying to wind up my first ball.

Let me tell you this story.It will surely entertain you...

Follow up:

I was surfing the yarn category on e-bay (despite the fact that I've already bought more yarn than I would be able to knit, weave, emboider and crochet during my entire life, should I pass off at the age of 125) and I fell over this amazing silky pink stuff:

I could eventually resist the temptation to buy this one ...
and a few others from the same seller...

had to find a way to compensate.

I was like "there must be a way... I'm sure I can have it... I must be able to do that with my stash".

And I did.

It started with this :	and it ended up with this :

The sewing thread gives a nice shine and brings a delicate accent to the red+black mélange.

And the resulting variagated yarn is far cuter than its parents! I was a little bit scared i would not like what this thread would look like once crocheted (ann I had 24 pounds of it!!! I must be crazy) but now i see vriagated is the way to go (as the seller had suggested on the auction page).

I'm really satisfied with this first try, I just hope it won't be too difficult to crochet, as the three threads are not tightly twisted into a solid strand, like store bought yarn balls are.

Wish me luck!