LEGO 1664 Bird is a vintage Duplo set from 1992 valued at $8 for new and sealed sets, up 69% from an original retail price of $4.99. Annual appreciation has averaged 1.76% since release. On the used market, values range from $5 to $8 based on condition.
LEGO 1664 Bird is a Duplo set released in 1992, containing 2 pieces. The build forms a stylized bird using two large 2 x 4 x 2 rounded-end DUPLO bricks, one printed with a bird face and the other with red and yellow wings and yellow feet. The two printed elements stack to create a single, simple animal figure.
A new and sealed Bird is currently valued at around $8, with annual growth of approximately 1%. The average used price is $7 for those in good overall condition. New and sealed listings currently range from $8 to $14. Based on current trends, this set could be valued near $9 within the next year.