code: function() {
          var finalpos = this.initialPos - 140;
          this.displayTween = me.pool.pull("me.Tween", this.pos).to({y: finalpos }, 200);
          this.displayTween.easing(me.Tween.Easing.Quadratic.Out);
          this.displayTween.onComplete(this.onDisplayed.bind(this));
          this.displayTween.start();
          // the mole is visible
          this.isVisible = true;
      }
docs: display the mole
  goes out of the hole