DD (3 yrs old) is currently loving my old My Little Pony toys; I have 3 "adults" and 1 "baby." She loves them so much that I've bought her one for her very own.
She's also into Matchbox and other die-cast cars, her pirate hat & sword, playsilks, her Minnie Mouse dresses, and DH's lacrosse stick. (She mostly uses it as a stick-horse.)
Fridge magnets have been a big hit with her since about 2.5 yrs old, but I'd tread carefully if your 2 y/o still mouths stuff.
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Liz
DD (3/2010)
"Make mistakes! Get messy!" - Miss Frizzle