I’ve been on kind of a Battle of the Planets jag these past few weeks and here’s one of my favourites, the 3 3/4″ action figure line.
Originally made by Popy Japan, these figures were later sold in Europe in sets or on individual cards by companies like Ceji Arbois and Jecsan. They even added characters!
Sadly, no toy company thought to bring these to our shores but there is always Ebay to soothe the burn….
AKA Brian Heiler author of "Rack Toys: Cheap, Crazed Playthings" and co-editor of "Toy-Ventures Magazine". Co-Host of the "Pod Stallions" podcast. Host of the Brick Mantooth Youtube channel, painter, designer, writer, mental health advocate, toy collector, Mego, and Mego Knock-Off enthusiast. I have large feet, ADHD and I live in Canada. Talk toys, not others. 
@brickmantooth
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I would have loved to own any figures or vehicle from BotP/G-Force! I'll keep an eye out on eBay now.
I had that eagle-shaped ship (an interpretation of the Phoenix?) – it was really cool – had loads of little plastic mini vehicles that stashed away under little hatches (much like your 6" Phoenix).