What are the values of the Snowflake Barbie dolls?

These are some of the Snowflake dolls. You might want to check eBay for individual prices.

1. 1979 Ballerina Barbie with Snowflake Fairy outfit.

2. 1987 Sears StarDream.

3. 1988 Olympic Skating Star sold only in Canada.

4. 1994 Snow Princess.

There were also a number of snow or winter-themed collectible Barbie dolls sold in the 1990s. I don't know about the 2000s.