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The 852315 Harley Quinn Key Chain is a Batman Key Chain set released in 2008. The set features the Harley Quinn minifigure attached to a key chain, as well as the Lego logo printed on a white 2x2 (2x3 top-rounded w/ hole) tile. The minifigure parts can move, but can not come apart, because a special glue is used.
- The set's item number is 4534538.