Sell LEGOs and Trade at Piece Buy Piece Brick Co.

We make it easy for LEGO® enthusiasts in St. Charles, MO and beyond to sell LEGOs, trade, and find new treasures for their collections. Whether you have bulk bricks, unopened sets, minifigures, or used sets you’re ready to part with, we offer fair cash and store credit options to help you get the most value from your collection. As the trusted LEGO store in St. Charles, we take pride in providing a smooth, transparent, and fun selling and trading experience.

Contact us or come by to buy and sell LEGOs today.

Why Sell LEGOs to Piece Buy Piece Brick Co.?

Our mission is to provide the widest selection of LEGO products possible, and part of that means sourcing directly from our community. By selling or trading with us, you not only get fair offers for your items, but you also help us stock rare, retired, and specialty pieces that fellow fans are searching for.

We buy and trade a wide range of LEGO products including:

  • Bulk LEGO bricks – Sold by weight. We ask that you remove non-LEGO pieces and other items before bringing them in.
  • Sealed sets – We purchase unopened sets for cash or store credit. Opened sets may also be accepted once contents are verified. Sets missing bags are treated as bulk.
  • Used sets – Must be assembled and in clean, sellable condition. We do not buy glued sets. Manuals are preferred but not required. Incomplete or unassembled sets will be purchased at bulk rates. Learn more about selling pre-built lego sets.
  • Minifigures – From collectible series to themed sets. Please include accessories when possible and check for cracks, chew marks, or other damage.
  • Other LEGO merchandise – We also purchase base plates, books, keychains, storage containers, and more.

Items We Do Not Buy

  • Instruction manuals
  • Used plush toys
  • Off-brand bricks (new or used)
  • Other toys and games

How Our LEGO Selling & Trading Process Works

Selling or trading with Piece Buy Piece Brick Co. is simple. Here’s how it works:

  • Bring your items to our store or ship – No appointment is needed, but weekends and busy times may involve a longer wait. Our store closes at 6:00 pm daily, so we recommend arriving by 5:30 pm to allow enough time for us to process your items. You can also contact us if you are interested in shipping items to sell.
  • Choose cash or store credit – We make both cash and store credit offers. Store credit is typically about 20% higher, making it a great option for those looking to pick up new LEGO sets or accessories. Learn more about our LEGO trading process.
  • Receive your payment – Payment is available by cash, check (for large purchases), or store credit. Offers are based on condition, completeness, desirability, market value, and our existing inventory.
  • Valid ID required – For all cash transactions, a valid photo ID is required.

Requesting a Quote in Advance

If you want to know the value of your LEGO items before visiting our store, we offer several ways to request an offer:

When contacting us, please include:

  • A clear description of the items
  • Several photos of the sets, bricks, or minifigures
  • Notes about missing or damaged pieces
  • Whether the manual, box, and/or accessories are included

Please keep in mind that while we can provide preliminary offers, all items will be inspected in person, and final offers may be adjusted based on condition and completeness.

Visit Us in St. Charles or Sell LEGOs Online

Whether you prefer to stop by our store in St. Charles, MO or reach out online, Piece Buy Piece Brick Co. makes it easy to resell LEGO sets, trade LEGOs, or expand your collection. We also accept shipments of LEGO sets or prebuilt items for customers outside the local area. Visit our Shipping Policy page to learn more about sending items to us.

Get Started Today

If you’re ready to sell LEGOs, trade sets, or find new pieces to fuel your creativity, Piece Buy Piece Brick Co. is here to help. Visit us in St. Charles, shop our online store, or reach out to request a quote.

Contact us today at 636-201-8005 to learn more about our LEGO selling and trading services. We look forward to helping you find your next favorite build!