Role-play a thrilling throne room duel and an A-wing attack on the Death Star with this LEGO Star Wars interactive building toy (75427) for kids. Part of a collection of sets powered by the LEGO SMART Play system, this all-in-one set includes all the SMART Play elements: 2 SMART bricks and a charger, 3 LEGO SMART minifigures, 5 SMART tags for interactive play, dynamic light and sound, and more. Listen to "The Imperial March" as SMART Emperor Palpatine sits on his throne. Hear the whir of Lightsabers as SMART Luke Skywalker and SMART Darth Vader duel, and hear the A-wing engines roar as it flies. Activate the A-wing's laser shooters and evade the Death Star's lasers. Combine with other SMART Play sets (sold separately) for more interactive play possibilities. Help children get started, solve problems, control the sound level, and get updates for SMART Play activities with the LEGO SMART Assist app. - Recreate action scenes from Star Wars: Return of the Jedi with this Throne Room Showdown and A-wing (75427) all-in-one set, powered by the LEGO SMART Play system, featuring 2 SMART bricks and a charger. - Place the SMART bricks on the battle arms to hear SMART Luke Skywalker's and SMART Darth Vader's Lightsabers whirring as they battle. - Bring SMART Luke Skywalker, SMART Emperor Palpatine, and SMART Darth Vader to life with the SMART brick for an interactive play experience, as they react to the situations they find themselves in. - The SMART tags for the A-wing, Throne, Death Star Turret, and Lightsaber Battles (2 tags) activate the SMART brick with dynamic light and sound in response to how kids move and play. - Boys, girls, and fans aged 9 and up can enjoy screen-free imaginative play with this cool building toy for solo or group play. - Help kids get more out of the SMART Play system with the SMART Assist app: get started, solve problems, adjust Sound level and download updates - Includes a disabled built-in microphone for possible future playback features; activation requires both your consent and a system update. - The throne room in this 962-piece set is approximately 5.5 inches (14 cm) high, 19 inches (49 cm) wide, and 11 inches (29 cm) deep; the SMART Brick battery life is approximately 45 minutes per charge.