Is it possible to bring your kids into this hobby?

Nope.

My teen son always reminds me that, to him, his earbuds through his phone sound better than my multi-thousand dollar home system.

I'm totally ok with this.  I wouldn't wish our disease on anyone.

I have three sons.  They're all hooked on audio AND on vinyl.  Fortunately, I have enough equipment to pass them my hand-me downs - speakers, amps, pre-amps and turntables.  
All three have respectable systems. For example, one son has Elac B6 speakers, an old Technics SL-1200 turntable, and an old NAD 3020 integrated amp.  

I totally agree with @erik_squires , building something will offer an understanding of how things work, a sense of accomplishment, avoiding a pursuit of consumerism, and perhaps most importantly provide a bonding experience of doing all that together. I’m confident it will be memory not forgotten.

@erik_squires @unsound Building is the way to go! I’m building one of the Pass ACA’s with my 11 year old now and it’s a blast. He’ll have his first piece of kit and be proud of it!

It's tough to bring kids into quality sounding music if they don't have an appreciation for music.  If they have the opportunity to play an instrument that helps in the appreciation.  My brother and I started on the violin, then guitars.  He has a recording studio and I have a lifelong love of audio and music.