What do the tacky dolls do on Fossil Fighters

Spoiler Alert!



They're used later in the game. When the Dinaurians, (Dino humans), invade, and they need the idols for a communitcator. This communitcator, summons the most powerful thing ever, Gunash! There was a way to defeat it, it has three brains, and they are vivosaurs, you battle the brains, then you go back to Earth. The End!