The dummy sprite idea is pretty good. Had not thought about that. Thank you nimos100 !
u can do this, create on the family sprites u have a uid variable, and when is created save that uid, remember the first uid of the main sprite u have on screen unless u delete it, then when u want to select 2 of them just call the last uid - 1 or +1 depends witch ones u want to choose, but i think there is a better way then that, to your problem not sure what u try to achieve, if u can do a small capx with a simple sprite family and code ur selection code of family we could fix it for u a bit