LEGO 2310 Supplementary Bricks is a vintage Duplo set from 1987 valued at $57 for new and sealed sets, up 340% from an original retail price of $12.99. Annual appreciation has averaged 3.87% since release. On the used market, values range from $15 to $18 based on condition.
LEGO 2310-1 Supplementary Bricks is a DUPLO Supplementary set released in 1987, containing 28 pieces. It offers an assortment of basic DUPLO bricks intended to expand or refill a child’s existing DUPLO collection. It was a pre-school set.
A new and sealed Supplementary Bricks is currently valued at around $57, with annual growth of approximately 4%, which is higher than other Supplementary sets. The average used price is $15 for those in good overall condition. Based on current trends, this set could be valued near $59 within the next year.
Supplementary Bricks (2310-1) is a very old and rare LEGO set. It has not been available online or in retail stores in good/new condition for over 2 years. Because of its scarcity, the current estimated value of in new condition of $57.14 may be much lower than its true market value. Released in 1987, sealed sets in good condition are especially difficult to find, often commanding a premium well above estimates.
There are currently no new/sealed listings available for Supplementary Bricks at this time.
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