Where is a star piece in Pokemon soul silver?

* Professor Elm's Laboratory (pre- National Park; 2nd visit.)

* Route 32 (A small island on the route in the whirlpools.)

* Route 44 - (After surfing through the whirlpools.)

* Route 46 - (North from the National Park, there is a patch of grass surrounded by water)

* Route 47 - (There is a patch of grass south of the city near the lighthouse)