I like the idea of starting with good used stuff. Though I don't have kids myself, my neighbor spent a ton of money on a motorcross bike, pads, helmet, etc. for his kid. In less than a year, his son was over it and had moved on to his next hobby.
It's the video games and phone I tell ya. lol
When I was a kid I couldn't wait to get on a dirt bike and drag cars. My dad and uncle got me hooked.
Didn't have jr dragster when I was a kid, but I did race motocross and short track starting at 12 years old, raced until I joined the corps at 18.
Drag racing started when I was old enough to drive