Self-Locking Bricks MOC Technical Parts Connectors 20pcs CROSS BLOCK 3M Building Block Pack for Kids Compatible with Lego 42003
Amazon.com: Gobricks GDS-936 Connector Perpendicular 3L with 2Pin Holes Compatible with Lego 42003 All Major Brick Brands Toys Building Blocks Technical Parts Assembles DIY (30 PCS,26 Black(080)) : Toys & Games
LEGO - 42003 3L AXLE & PIN CONNECTOR PERPENDICULAR W/ 2 PIN HOLES - FAST - NEW | eBay
LEGO part 42003 - Light Bluish Gray Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes at BrickScout