LEGO 721 Steam Locomotive is a vintage Trains set from 1969 valued at $793 for new and sealed sets, up 6797% from an original retail price of $11.50. Annual appreciation has averaged 5.06% since release. Used copies are valued between $140 and $361 depending on condition.
LEGO 721-1 Steam Locomotive is a Trains/12V set released in 1969, containing 126 pieces. The set builds a steam locomotive fitted with a 12V motor and marked with the number "721" on its sides. It is the same locomotive model included in set 720 Train with 12 V Motor, but this version was sold without track, wagons, or additional rolling stock. The set belongs to LEGO's early 12V train system from the late 1960s.
A new and sealed Steam Locomotive is currently valued at around $793, with annual growth of approximately 5%, which is higher than other 12V sets. The average used price is $301 for those in good overall condition. Based on current trends, this set could be valued near $833 within the next year.
Steam Locomotive (721-1) 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 $793.14 may be much lower than its true market value. Released in 1969, 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 Steam Locomotive at this time.
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