LEGO Robot Set 8683-7 | Brick Owl - LEGO Marketplace
Lego® 4735, 4141580, 473526 minifigure, robot arm, black
LEGO IDEAS - Ready, Set, Go STEM! - Factory Robot Arm
Bar 1 x 3 with Clip and Stud Holder (Robot Arm) : Part 4735 | BrickLink
Torso Robot with Panels and Gauges Pattern / Light Bluish Gray Arm and Dark Bluish Gray Hand Left / Metallic Silver Mech Arm and Pearl Light Gray Claw Right : Part 973pb0663c01 | BrickLink