LEGO 366 Basic Building Set is a vintage Basic set from 1981 valued at $62 for new and sealed sets, up 247% from an original retail price of $17.99. Annual appreciation has averaged 3.74% since release. On the used market, values range from $22 to $27 based on condition.
LEGO 366-1 Basic Building Set is a Basic theme set released in 1981, containing 184 pieces and 2 finger puppet figures. It includes an assortment of standard bricks and elements intended for freeform construction and play. The parts are mostly standard bricks in primary colors (red, blue, yellow, white, black, green) along with a few doors, windows, and plant pieces. The two minifigures included are basic finger-puppet style male and female figures.
A new and sealed Basic Building Set is currently valued at around $62, with annual growth of approximately 4%. The average used price is $22 for those in good overall condition. Based on current trends, this set could be valued near $65 within the next year.
Basic Building Set (366-1) 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 $62.45 may be much lower than its true market value. Released in 1981, 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 366 Basic Building Set at this time.