One of the Palmer kits with the separate body sides. I think it was a Ford. Just before my 5th birthday, my dad stashed it on top of the fridge, presumably to test my climbing skills. My dad built models, the neighbors built models, it was 1965 and the hobby was booming. From my point of view, it was everywhere. The comic book and Boy's Life ads, the coverage in the 1:1 car mags and the amount of space they commanded in nearly every department store or five and dime or whatever they were called. It was great and I was able to barter about two kits a month from the parents. An average pace that I maintain to this day. An idyllic childhood in the countrysides of central Ohio that in retrospect seems hugely centered around the car.
I still have thousands of HotWheels, another addiction that I haven't given up.