You mean those cute balsa wood planes and the very pretty envelopes?
I'd always beg to pick up one every time we went to the Circle K, though I usually wound up with a single popsicle that wasn't labeled for individual sale.
I had some Monsters in My Pocket up until a few years ago, I think I got a little too eager with my hobby knife.
I was actually pretty fond of collecting Rock Lords, though when something transforms into a rock it's not hard to imagine how fast it was broken.