The future (and past) in the palm of your hands with this miniature replica of Doc Brown's Flux Capacitor from the beloved, blockbuster Back to the Future trilogy! This finely detailed, 3 inch replica of Doc Brown's flux capacitor is equipped with multiple LED lights and sound effects. The set includes a full-color, 32-page book exploring the mechanics of time travel and the timelines featured in the beloved film series. Requires two AAA batteries (not included).