Following on from the unbelievably popular animated series Ben 10, Alien Force is set 5 years after the original series & features 15 year old Ben Tennyson & his sidekicks. Together, they save the world from various aliens & villains every episode. Ben does with his mysterious watch-like alien device, the Omnitrix, which allows the user to transform into various alien forms, all with different skills & powers. Gear 4 Games is pleased to introduce this light & sound effects key chain which mimics Bens Omnitrix with different sound effects. Press each button to hear sound effects from Bens Omnitrix