My junk yard will only sell me a whole radio, if they had one. And Amazon, Google and ebay have failed me. Any good web sites to check out? My son could 3d print one but I have to buy special filament for his printer.
Whatever it takes to spend money on your kid in a way that keeps them learning valuable life skills so when they reach adulthood and have to pay their own bills they aren't asking you for money is the correct answer. Of course if your kid isn't that interested in it maybe just keeping your eye on the local junk yard for when your wreck with the right knob comes in is the correct answer?
I agree with the sentiments. But in my case my son is a working engineer who makes more money than I do!
Old thread I know but I don't think you can replace the radio control knob. I went to the local Prius mechanic who has a slew of parts Prius' on his lot and when he tried to get a kniob for me it broke off.