LEGO has released a number of key chains sets over the years based on many popular themes, including licensed themes. Most feature a minifigure attached to a key chain, although some simply have a LEGO brick or another LEGO element.
Summary
Gear Key Chains / Toy Story Alien Key Chain set 852950 was released on March 8, 2010, retailing for $5, it has since been retired. New, unopened sets are valued at $16, while used sets sell around $13.
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