Can someone help me with a game?

i’m very new to flash and i have to program a game for children where the user finds hidden objects in a scene. when the objects are found, they appear in a “found objects” area to the side. they can be found in any order.

my question is this: how can i program the game so it knows when all of the items are found (six in all) so that it will play a “good job!” scene? right now i have the game programmed up to where all the items are found, complete with sound and animation.

any and all help is greatly appreciated.
thank you!!!:beam: