Introduce kids to the LEGO Star Wars galaxy that plays back with this interactive building toy, featuring Darth Vader’s TIE Fighter (75421). Part of a range of sets powered by the LEGO SMART Play system, this All-In-One Set includes all SMART Play components – a SMART Brick and charger, a LEGO SMART minifigure and a SMART Tag – enabling responsive play, dynamic lights, sounds and more. Hear roaring engines as the TIE Fighter is launched and swooshed in different directions. Bring SMART Darth Vader to life. Dodge incoming fire from the Rebel outpost. Pull the trigger to activate laser-shooting sounds. Refuel and repair the iconic Star Wars vehicle at the Imperial fuel station. Add SMART Play Compatible Sets (sold separately) for more interactive play options. Help children get started, troubleshoot, control sound levels and download updates for enhanced SMART Play action with the LEGO SMART Assist App. A top Star Wars gift for boys and girls ages 8 plus, this set contains 473 pieces.

Ratings snapshot from Walmart

On Walmart.com, this item shows an average customer rating of 4.2 out of 5 based on 200 customer ratings as of October 14, 2026. Ratings are provided by Walmart and may change on the retailer site.

Why shoppers notice it

  • Replacement parts and support are easy to find through major retailers.
  • Availability through a retailer shoppers already trust.
  • Useful defaults that reduce setup friction for first-time buyers.

What impressed us

  • Reliable for everyday use based on recent feedback.
  • Strong enough for regular use without premium pricing.
  • Consistent performance for typical day-to-day tasks.

Who it suits

Shoppers who already know the category and want fact-based context before visiting Walmart.

Questions to ask yourself

  • Measure your space or setup before choosing a size variant.
  • Color and finish options may ship on different timelines.
  • Popular configurations can sell out during promotions.

Price context from Walmart

Walmart listed this item at approximately $55.95 as of October 14, 2026. Prices and promotions change frequently. If the price shown here differs from Walmart.com, the price on Walmart.com governs.

Where we land

LEGO Star Wars 75421 looks compelling on paper and in owner ratings—confirm today's price and stock on Walmart.com before you buy.