LEGO 1514 Basic Building Set Trial Size is a vintage Basic set from 1988 valued at $26 for new and sealed sets, up 937% from an original retail price of $2.49. Annual appreciation has averaged 3.50% since release. Used copies are valued between $17 and $24 depending on condition.
LEGO 1514-1 Basic Building Set Trial Size is a Basic Universal Building Set released in 1988, containing 46 pieces. It includes a selection of classic bricks and slopes in red, blue, yellow, white, black, and trans-clear. Notable specialty parts include a 2x2 plate with helicopter tail rotor holder, a black tail rotor propeller, and a 2x2 brick assembly with small tires for wheeled builds.
A new and sealed Basic Building Set Trial Size is currently valued at around $26, with annual growth of approximately 2%, which is lower than other Universal Building Set sets. The average used price is $21 for those in good overall condition. Based on current trends, this set could be valued near $27 within the next year. New and sealed listings currently range from $22 to $28.