I appreciate this, you all. Please keep the suggestions rolling in. I think these things can cover the next few years of development.
My awakening came in my high school job, when I was psyched to get my first paycheck, and got bummed when I saw the deductions.
Not sure this is what you’re looking for but check out the TeachersPayTeachers.com website. I clicked in and found this
https://www.teacherspayteachers.com/Product/Where-do-my-Tax-Dollars-Go-an-activity-on-government-spending-2193642
There may be some simpler activities, I didn’t look that hard but was curious if anything on taxes was there. Good luck! I’m proud of your child for being curious enough to question any taxes at 10 years old!