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BrickLink - Part 41239 : LEGO Technic, Liftarm Thick 1 x 13 [Technic, Liftarm] - BrickLink Reference Catalog
Amazon.com: Technic Liftarm Brick Separator Chassis Frame Liftarm Beam Rotor Helicopter - 280 Pieces Beams Axles Connectors Bricks Sets Technic Beams Compatible with Lego Technic Parts : Toys & Games
Amazon.com: Technic Liftarm Brick Separator Chassis Frame Liftarm Beam Rotor Helicopter - 280 Pieces Beams Axles Connectors Bricks Sets Technic Beams Compatible with Lego Technic Parts : Toys & Games
Amazon.com: KonHaovF 182PCS Gear and Axle Set for Technic Parts Compatible with Lego Technic Parts, DIY Gears Assortment Pack((Liftarm, Pins, Axles, Connectors)) for Technic Building Blocks Set(Random Color) : Toys & Games
Amazon.com: Technic Liftarm Brick Separator Chassis Frame Liftarm Beam Rotor Helicopter - 280 Pieces Beams Axles Connectors Bricks Sets Technic Beams Compatible with Lego Technic Parts : Toys & Games