According to Jellyneo's Item Database, they cost around 5,000 Neopoints.
This item used to be a promo item for Australian Neopets players to be honest.
Nothing
It costs about 800k
Around 4 million
5 cents
A poke ball costs 200 poke's (in game money) A great ball costs 600 poke's An ultra ball costs 1200 poke's But you can't by a master ball but you get one just by playing.
25pounds
about 20
it cost 11.78
cost 11.12
it cost $13.88
how much would it cost on a 2004 mercury sable
about 20