private void OnTriggerEnter2D(Collider2D collision)
 {
     if(collision.gameObject.tag == "Box")
     {
         if(collision.gameObject.transform.position.y > this.transform.position.y)
         {
             lever.switchedOn = false;
             lever.ToggleSwitch();
         }
         if (collision.gameObject.transform.position.y < this.transform.position.y)
         {
             lever.switchedOn = true;
             lever.ToggleSwitch();
         }
     }
 }