LEGO PART 25214 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Rebrickable - Build with LEGO
Gobricks GDS-1114 Brick, Round 1 x 1 d. 90 Degree Elbow-No Stud-Type 2-Axle Hole compatible with lego 25214 Educational Blocks - AliExpress
25214 Brick, Round 1 x 1 d. 90 Degree Elbow-No Stud-Type 2-Axle Hole Toys Compatible With lego 25214 Educational Building Blocks - AliExpress
Amazon.com: Gobricks GDS-1114 Brick, Round 1 x 1 d. 90 Degree Elbow-No Stud-Type 2-Axle Hole Compatible with Lego 25214 All Major Brick Building Blocks Technical Parts (199 Dark Bluish Gray(072),25PCS) : Toys
LEGO Parts 25214 (2pcs) Brick Round 1x1 D. 90 Degrees Elbow Type 2 Axle Hole | eBay
Christoph Winkler on X: "As the #lego parts to test the connection now arrived I can report on the technique used. The initial idea of using minifigure lipsticks to connect “macaroni tubes” (