If LEGO is out of stock or a piece is retired, third-party marketplaces offer massive inventories of both new and used parts. LEGO® Pick a Brick | Official LEGO® Shop US

: A fee (roughly $7/£5.50) applies if you don't meet a minimum threshold (often around $14/£11) for each category separately.

: A wider selection of specialized parts shipped from Denmark. These can take up to 28 days or longer to arrive. 2. Service Fees & Shipping