- Review January 23, 2021January 23, 2021 Lepin/66 Block Model OPTIMUS MARS (Bumblebee Movie Optimus Prime): EmGo’s Reviews N Stuff Posted By: Tec 3rd Party, Emgo, reviews, Transformers, YouTube Liked it? Take a second to support TF-Prototype on Patreon! Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)