Can reveal the eyes behind the goggle.
Images from Yugunpula.
Another review from Moeyo:
Moeyo has a bit of coverage of the sales of BB Senshi Sangokuden Sonken Gundam & Shuuyu Hyaku Shiki 赤壁之轟砲 and 1/72 Transformable VF-25S Super Messiah Valkyrie Ozma Lee's Unit.
All images from Moeyo.
