LEGO DUPLO Castle is a subtheme of the DUPLO line, designed for younger children with larger bricks for easier handling. Active from 2004 to 2008, the DUPLO Castle sets featured medieval-themed elements such as knights, castles, and dragons. Notable sets include "DUPLO Castle" (4777), "King's Castle" (4864), and "Knights' Tournament" (4776). These sets provided a simplified yet engaging medieval play experience for preschool-aged children.
Castle consists of 10 sets that ran from 2004 to 2008. As of today,
4785 Black Castle is the most valuable Castle set with an estimated new/factory sealed value of $1,258.
Summary
Duplo Castle Castle set 4864 was released on May 26, 2008, retailing for $80, it has since been retired. New, unopened sets are valued at $560, while used sets sell around $217.
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