US-based veteran Barbie doll dealer Marl Davidson claimed prices of Barbie dolls have climbed about 25% in recent months. Her website Marl & B, which sells Barbie dolls, has been receiving about 3,000 daily hits, triple the usual. "I've never seen this kind of interest," Marl said. This comes amid the release of Margot Robbie and Ryan Gosling-starrer 'Barbie'.