Help Center Catalog Adding Catalog Items Adding Catalog Items, Changing Pending Items Adding Images Catalog Change Request Catalog Credits Catalog Items Missing Information Category Category Notes Co-Branded Items Colors Colors - Additional Notes Colors - Historical Remarks Colors - Modulex Image Harvesting Importing items on BrickLink with XML Item Dimensions - Documentation for Advanced Users Item Dimensions - General Article Item Dimensions - Stud Dimensions and Other Standards Item Language Item Name Item Number Item Relationships Item Sequential Number for Sets Item Weight Item Year of Release Items Marked for Deletion and Unreleased Items My Collection Original Instructions Indicator Part and Color Combination Code (PCC Code) Price Guide Undetermined Type Items and Variants What is the Reference Catalog? Catalog Roadmap Glossary Movements in Item Type and Category #01 (Oct. 1, 2020) Movements in Item Type and Category #02 (Apr. 1, 2021) Movements in Item Type and Category #03 (Nov. 1, 2021) Movements in Item Type and Category #04 (Jul. 1, 2022) Movements in Item Type and Category #05 (Nov. 1, 2022) Movements in Item Type and Category #06 (May 1, 2023) Movements in Item Type and Category #07 (Dec. 1, 2023) Movements in Item Type and Category #08 (May 1, 2024) Movements in Item Type and Category #09 (Dec. 1, 2024) Movements in Item Type and Category #10 (May 1, 2025) Movements in Item Type and Category #11 (Oct 1, 2025) Obscure Parts Locator Part Markings Tables Temporary PCC assignments Variant Project - complete list of affected parts Variant Project - overview Variant Project - seller notes (add notes by February 15, 2024) X Discussion Topic Only - Colors X Discussion Topic Only - Figure Titles X Discussion Topic Only - Figures