Zoo is a subtheme of Duplo that consists of 11 sets that as of now ran from 2006 to 2013. As of today,
6157 The Big Zoo is the most valuable set in Duplo Zoo with an estimated new/factory sealed value of $376.50.
The LEGO DUPLO theme was introduced as far back as 1969 and is designed for children ages 1 to 5. It features DUPLO figures which are much larger than minifigures and DUPLO blocks which are about twice the length, width, and height of a standard System brick. Like LEGO System, DUPLO also has subthemes that are often junior versions of System themes, like Pirates and Castle and licensed themes like Disney and Super Heros.
Summary
Duplo Zoo Panda set 6173 was released in January 2012, retailing for $8, but has since been retired. New, unopened Panda sets are valued at $13, while used sets can be found for $10.
Read more