MOTU USA RELEASES
Variants Spreadsheet
This is a list of the various vintage release variants made in Taiwan, Hong Kong, Malaysia, USA and Mexico (Mamabex).
facebook Group
TECHNICAL VARIANTS
Absolutely the best Facebook Group for learning about vintage variants, as well as sharing with other variant collectors.
BATTLE RAM BLOG
Battle Ram is primarily a blog about He-Man toy design, history, packaging art, comics and other media. The focus is on the original Masters of the Universe line (1982-1988), however the various reboots that came later are occasionally covered.