private void DelayMergeUnits()
{
//Merging
GameObject child_1 = this.tutorialUnitParent.GetChild(0).gameObject;
GameObject child_2 = this.tutorialUnitParent.GetChild(1).gameObject;
this.splitMergeManager.mergeGroupList.Add(new Group(child_1, child_2));
this.Invoke("DelayHideAllSelectionRings", 0.1f);
}