Difficult to answer without knowing what their interests are
we have 16/14 one loves Warhammer other loves ball sports
but they will do poker, darts, DND, online gaming as a social thing, and there is some YouTube thing they all watch together
they have delivery jobs
volunteer at local green space
they will do (fun) chores
cycle to cafes
read
some work to stay on target for STEM studies
ours have other teenagers, that all seem to need feeding here, and will go anywhere any do almost anything
planning once youngster finishes to swim a few times a week
take them out for days, city stuff, some cultural things
watch some summer sporting events on tv
think we will do a LOTR film marathon with home made popcorn with various toppings as well as easy buffet food
eldest needs to learn more cooking (he will have to feed himself at uni) plus he is flirting at the moment (new love interest)
take basketball to local hoop
and plan on booking a holiday of some description will sort that out end of this week
Go to local forest for photoshoots (nothing online just for personal)