515 LEGO Basic Building Set

LEGO 515-1 Basic Building Set is a Basic theme set released in 1990, containing 111 pieces. It includes a selection of classic bricks, plates, and slopes in primary colors along with an 8 x 16 green baseplate for small scenes. Notable elements comprise a white 1 x 4 x 5 door with four panes, a red 1 x 2 x 3 window pane, clear slopes, plant flowers and stems, and a 2 x 2 brick with integrated red wheels and tires for simple rolling builds. The set also features a dark gray brick separator.

A new and sealed Basic Building Set is currently valued at around $17, with annual growth of approximately 2%, which is lower than other Basic sets. The average used price is $9 for those in good overall condition. New and sealed listings currently range from $17 to $39. Based on current trends, this set could be valued near $17 within the next year.