Yet another contest, this one run by Palitoy. According to the text, it required contestants to draw a droid. Grand prize winners won a visit to the Elstree Studios set of The Empire Strikes Back. Runners-up got Palitoy toys.
It's worth noting that, in one of these images, C-3PO is shown holding something akin to an M-16 assault rifle. I take it that it's supposed to represent one of the nifty toys being offered as prizes. Still, it's kind of disturbing. It looks almost like a visual threat, as if Threepio were saying "participate in my contest or I'll blow your brains out."