Amazon.com: Eske Kouri Gobricks GDS-936 Connector Perpendicular 3L with 2Pin Holes Compatible with Lego 42003 All Major Brick Brands Toys Building Blocks Technical Parts Assembles DIY (900 PCS,138 Dark Tan(034)) : Toys
High Tech Accessories 42003 1x3 Cross Shaft And Bolt Connector 20PCS/Set Connector Building Blocks Gifts Kit Technical Part Sets|Blocks| - AliExpress
LEGO Dark Stone Gray Cross Block 1 x 3 (42003 / 42796) | Brick Owl - LEGO Marketplace
LEGO Part 42003 Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes [Red] (4175442) | iBricktoys: LEGO shop guide and database
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes #42003
Peeron: Off-Roader (#8297-1)
Self Locking Bricks MOC Technical Parts Connectors 20pcs CROSS BLOCK 3M Building Block Pack for Kids Compatible with Lego 42003|Model Building Kits| - AliExpress
LEGO 42003 Technic, Axle and Pin Connector 3L - DARK BLUISH GRAY (10pcs) | eBay
LEGO White Cross Block 1 x 3 (42003 / 42796) | Brick Owl - LEGO Marketplace