Shock

Shock is a highly desirable minifigure due to her unique design and association with the beloved film 'The Nightmare Before Christmas'. As one of the mischievous trick-or-treaters alongside Lock and Barrel, Shock's distinct appearance, including her lavender witch hat/hair combo and ghostly makeup, makes her instantly recognizable and appealing to fans of the movie.

The fact that she appears in the LEGO Ideas set only enhances her collectibility, as these sets tend to be popular and have limited production runs compared to more mainstream LEGO themes. Minifigure collectors focused on licensed themes, especially those with a nostalgic element, will be eager to add Shock to their collections.

Shock's rarity is currently moderate as she appears in only one set, Disney Tim Burton's The Nightmare Before Christmas (21351-1). While the set itself is not a limited edition, the popularity of the theme and character will likely drive demand for the minifigure. As the set retires, the price of Shock on the aftermarket is expected to increase, making her a potentially valuable addition to any collection. The single set appearance initially boosts her rarity compared to figures appearing in multiple sets.

Given Shock's popularity, unique design, and limited availability (currently only in one set), she holds good investment potential. The value of minifigures from LEGO Ideas sets, especially those based on well-known intellectual properties, tends to appreciate over time after the set's retirement. Collectors of Disney, Tim Burton, and Halloween-themed LEGO items will likely drive up demand for Shock, leading to potential price increases on the secondary market. Monitoring the set's retirement date and the overall popularity of 'The Nightmare Before Christmas' will be crucial for gauging her long-term investment prospects.