As a kid I used to collect the usual:
- Tazos
- Basketball Cards
- Puzzles
- Rocks/Crystals
- Old Coins
I still have most of them in boxes at my parents house, I should sift through them one day and possibly see what they are worth. Today I collect large arrays of ordinary to stranges electronic components which might come in handy someday. I also collect anything Studio Ghibli and Doctor Who. Other than that, I don't really get the time to collect anything outside my normal hobbies and work

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