Hello
I don't know exactly what the difference is. I did what you could have done. Compare e.g. at Digitec ! I only bought the set and as far as I can see there are several playsets that can be assembled.
Sorry, I can't tell you any more about it.
Greetings
As it looks like it just needs the two standard Switch controllers, here's another informative introduction to the product: https://www.youtube.com/watch