|LEGO → Key chains → Star Wars → Classic|
4224472 Storm Trooper Key Chain is a Key Chains set of a Stormtrooper released in 2006. It's composed of a Stormtrooper minifigure with a keychain attached to its helmet. The helmet is not removable. The minifigure is the old style of stormtrooper which had a completely black mouth rather than gray with black lines which was introduced in 2007. There is also other variants of the stormtrooper minifigure.