Circus was introduced in 2013 and currently consists of 3 sets. As of today,
10504 My First Circus is the most valuable Circus set with an estimated new/factory sealed value of $126.
Summary
Duplo Circus Circus Show set 10503 was released on December 28, 2012, retailing for $15, it has since been retired. New, unopened sets are valued at $22, while used sets sell around $14.
Read more