The Brazilian Estrela toy company was one of several foreign manufacturers to purchased a license to produce Masters of the Universe Figures. However, the artwork they used on their packaging was slightly different from the artwork that appeared on US packaging (front and back).
My theory is that Estrela purchased the rights to make the toys, but not the rights for the artwork. Maybe it was cheaper to contract the art out locally. Most of the Estrela cross sell art is closely based on the US version, with some slight variations, almost always on the face. They also seem to modify artwork to make it look closer to the actual toy, whenever possible. This is especially evident for their cross sell art for Castle Grayskull, Wind Raider, Teela, Stratos and Ram Man. Note they also remove the orange stripes on Battle Cat’s tail – a feature included on the prototype but not on the vast majority of factory versions.
Estrela cross sell artwork comes courtesy of Jukka Issakainen, originally scanned by Polygonus. US artwork comes from Axel Giménez, Tokyonever, Jukka, StarCrusader, and my own photos and scans.
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Masters of the Universe Cross Sell Art: