LEGO 6075 Castle is a vintage Castle set from 1981 valued at $6,620 for new and sealed sets, up 13692% from an original retail price of $48.00. Annual appreciation has averaged 7.23% since release. On the used market, values range from $160 to $221 based on condition.
LEGO 6075-2 Castle is a Classic Castle set released in 1981, containing 767 pieces and 14 minifigures. Issued only in the United States, it is the same model as the Yellow Castle first released in Europe in 1978 as set 375-2. The Yellow Castle was LEGO’s first castle set and one of the earliest sets to include the modern minifigure.
The build depicts a yellow-walled fortress with a working drawbridge, a dungeon, and four corner towers, and it opens to reveal the interior. The minifigure lineup includes four knights on brick-built horses and ten guards or soldiers, with period accessories such as shields, spears, and swords.
A new and sealed Castle is currently valued at around $6,620, with annual growth of approximately 5%, which is lower than other Classic sets. The average used price is $184 for those in good overall condition. New and sealed listings currently range from $5,958 to $8,575. Based on current trends, this set could be valued near $7,060 within the next year.