public void EnableObjects()
    {
        foreach (Transform model in this.transform)
        {
            if (model.CompareTag("ModelingObject"))
            {
                ModelingObject currentModelingObject = model.GetComponent <ModelingObject> ();

                currentModelingObject.ActivateCollider();
                currentModelingObject.NormalColorObject();
            }
            else if (model.CompareTag("Group"))
            {
                Group currentGroup = model.GetComponent <Group> ();

                currentGroup.ActivateCollider();
                currentGroup.NormalColorObject();
            }
        }
    }