The Force: The omnipotent and ubiquitous power of the monastic order of the Jedi, including the renowned master Yoda. Now you too can harness the power of the Jedi to...stir your tea! Simply press the button on the handle and let the power of the force do the rest! This Star Wars Yoda Feel The Force Self-Stirring Mug measures 5 1/2-inches tall x 3 1/4-inches wide x 4 1/2-inches deep. Requires The Force - AKA 2x "AAA" batteries, not included. Ages 13 and up.