LEGO part 71710 - Black Technic, Liftarm, Modified Perpendicular Holes Thick 1 x 15 at BrickScout
Brick-Shop - 6029578 Technic 32068 turquoise 4112299 liftarm brick 1x11 black 4156150 (32525) Electric Battery Box Train Power Functions Motor (8881) Engine Motor Lego (7897)