Hi, GG. Glad to see that you are considering this lesson!
I took a look through the leaders guide to refresh my memory. The lesson was written in a certain order to build on the steps of the journey, but it is definitely possible to change that to what works best for your group. However, everyone should do Stop #1 first, because you receive a treasure "prop" that is used for all of the other stops. After that first stop (perhaps all together), you could have smaller groups go in different orders.
Blessings on your ministry!
Cathy