LEGO Brick 2 x 4 x 2 with Curved Top, Part # 4744, Red - Lot of 2 | eBay
LEGO part 99206 - Dark Red Plate, Modified 2 x 2 x 2/3 with 2 Studs on Side at BrickScout
11211 LEGO Brick, Modified 1 x 2 with Studs on 1 Sides - Parts Pick a Brick LEGO - LEGO Brick, Classic and Modified - LEGO Brick, Modified - Brickshop.it
5 New LEGO Red Modified Brick 1x1x1 2/3 w/ Studs on 1 Side 32952 bracket snot | eBay
LEGO® 52038 4294692 - 4294735 - ToyPro
LEGO® 44728 6267486 - ToyPro
LEGO LOT 10 X BRICK 1X2 W 2 KNOBS ROUGE REF 11211 / 6019155 *NEUF* | eBay
Fabuland Airplane Motor / Engine Block, Small Pin Hole : Part 4616a | BrickLink
LEGO PART 4616a Fabuland, Motor / Engine Block, Airplane | Rebrickable - Build with LEGO