LEGO 1512 Denken mit LEGO is a vintage Dacta set from 1972 valued at $84 for new and sealed sets, up 743% from an original retail price of $9.95. Annual appreciation has averaged 2.22% since release. Used copies are valued between $36 and $54 depending on condition.
LEGO 1512-1 Denken mit LEGO is a Dacta set released in 1972, containing 250 pieces. It comprises an assortment of classic 2x2 bricks without inside supports in black, blue, red, white, and yellow. The set includes the German-language booklet “Denken mit LEGO” (“Thinking With LEGO”), providing structured building activities. Intended for educational use, it emphasizes basic construction using uniform elements.
A new and sealed Denken mit LEGO is currently valued at around $84, with annual growth of approximately 1%, which is lower than other Dacta sets. The average used price is $37 for those in good overall condition. Based on current trends, this set could be valued near $86 within the next year.