Animated was an amazing toyline, I am still surprised at how well the character designs and proportions translated into functional, transforming figures. Transforming them were fun and I like how there were no cumbersome line-wide gimmick.
My favourite would be Prowl, one of the best, and still the best, motorcycle Transformer. The way they handled the wheels is ingenious. The Samurai retool was good, too bad they scrapped the splitting wheel idea,
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The other great Animated toys that comes to mind are the Activators, they are really fun! Spring loaded transformations, they were good representations of the characters in a small size. Some were very cleverly designed. It is always a tease to see the unreleased Animated toys and prototypes. It's great that Takara ended up releasing all the molds that Hasbro couldn't.
Back when Animated was released, I was still young in my collecting habits so I only managed to procure three: Wingblade Optimus Prime, Samurai Prowl and Oil Slick.
"sometimes the things you see might not be real and the things that are real you might not see"