LEGO Parts and Pieces: Light Gray (Medium Stone Grey) 2x4 Brick x50 Go to amazon.com Related posts The 9 best light bricks lego for 2024 FeatureGenuine lego product.Quantity: 50 pieces.Lego part number: 3001.Color: light gray (lego color: medium stone grey).Dimensions: 0. 6 inches wide by 1. 2 inches long. DescriptionNew parts pulled from sets.