Pocket Golem (3.5e Equipment)
From D&D Wiki
A pocket golem is a tiny and intelligent figurine of an iron golem with hardness 20 and 30 hit points. It is 5 inches tall, weighs 8 pounds and is crafted intricately of adamantine. A pocket golem can move of its own accord. Once per day a pocket golem may be used to animate objects as a 16th level caster. And once per day may grow into a regular sized iron golem for 2 hours and gains the stats and abilities of one. If the pocket golem is killed in ether form the user must get it revied.