LEGO 2340 Basic Set is a vintage Duplo set from 1981 valued at $25 for new and sealed sets, up 108% from an original retail price of $12.00. Annual appreciation has averaged 1.68% since release. Used copies are valued between $16 and $20 depending on condition.
LEGO 2340-1 Basic Set is a Duplo set released in 1981, containing 17 pieces and 1 figure. It includes an assortment of DUPLO bricks in red, blue, green, and yellow, plus door/window frames with a yellow pane and door, and a rounded-end brick. The set also features a yellow car base with red wheels and an early 2 x 2 x 2 DUPLO figure brick (female) on a green base with yellow hair and freckles. It was a pre-school set.
A new and sealed Basic Set is currently valued at around $25, with annual growth of approximately 2%. The average used price is $17 for those in good overall condition. Based on current trends, this set could be valued near $25 within the next year.