Most but not all are Hot Wheels. They have either been repainted or had a wheel change or both. One has been chromed. Most I did but a couple were bought on ebay.
Things will get better. I lost my mom about 7 years ago. For at least a few months I would wake up once in awhile and think " Man, I haven't talked to my mom for awhile I need to call her". Then I would remember, I can't.
What a wild build ! You have a way with these "things" and I think we could pick out your builds without your name on them. Very clever, very original. Well done !!!