Amazon.com: LEGO Parts and Pieces: Red (Bright Red) 1x6 Brick x20 : Toys & Games
Lego Spare Parts Brick 1x6 (Light Bluish Gray)
Amazon.com: Classic Bulk Brick Block 1x6, 100 Piece White Brick 1x6, Compatible with Lego Parts and Pieces 3009, Creative Play Set - Compatible with Major Brands(Colour:White) : Toys & Games
LEGO Part 1x6 Brick Black - Brick Land
LEGO part 3009 - Olive Green Brick 1 x 6 at BrickScout
LEGO White Brick 1 x 6 (3009) | Brick Owl - LEGO Marketplace