LEGO® Star Wars SMART Play: Darth Vader’s TIE Fighter 75421Engage young builders with this interactive starship construction set. Designed for responsive play, it features dynamic lights and sound effects that activate as the model is moved and interacted with. The set includes all necessary components for immediate play, such as a special interactive brick, a charging unit, a character figure, and a tag. Kids can experience realistic engine sounds, activate laser effects, and even simulate refuelling and