I recently played the modem sound for my kids and they thought aliens were invading.

that this thing worked only while parking

A roll of caps, for your … the ones I remember were red on one side ad white on the other.

4.25" floppy disc

Rabbit ear antenna or the UHF/VHF/GAME switch for your small B/W TV

The mechanical credit card copier?

As a collector of cassettes, here I am trying to find a Walkman that still works so I can plug that in to the aux cord in my car 😂

https://nostr.build/i/nostr.build_a731164b52c70666bc6cd5a7a9de4124a1380af4dcea9a94ac123760b66d254d.webp These were pretty convenient at 50lbs a box of films.

An 8-Track, a vacuum tube, a CB radio, and some other stuff I can't think of at the moment. My brain isn't running 100% this morning. #grownostr

Old oil cans had to be opened like a soup can. Remember these funnel / can openers https://i.imgur.com/i8am2rD.jpg

Hand crank can opener

The long cardboard box that CDs used to come in.

70s Virtual Reality Headset https://nostr.build/i/nostr.build_18061000ea43345fb774356e584dad46e9006ca1152a24ba071170defef21c99.jpeg I would like to say “Mom Jeans” ….but unfortunately they have returned to degrade my experience driving through campus on my way to work

Disc film, any camera film for that matter, 8" floppy disks, punch cards, 8 track tapes, rotary phone, crank car windows. Honestly today, desktop computers! Young people we hire today, don't know basic computer skills, they are used to their phones. How about a yard rake 😂😂

Show them a VHS rewinder! That'll confuse them!

any hand tool

Had one, but the portable CD player would always skip like crazy when the car went over the slightest bounce ! 😂

This is a tad bit newer tech. This is the pinned iPod version for the car stereo. I found this by accident while I was searching the AV parts for an extra cat8 cord. Made me laugh since I just saw your post https://nostr.build/i/nostr.build_00ccbf642779364fb3026fdf85e75e532c0745a3d1ab6005efd0a50145...

This was me with my phone in 2012.