Choosing an industrial robotics cobot usually forces a hard question before you even look at specs: are you buying a learning machine or a working machine? The 6DOF Mechanical Arm Claw Kit and the Universal Robots UR5 Collaborative Robot Package sit at opposite ends of that answer. At $78.90, the Yanmis 6DOF kit is a classroom-scale six-servo manipulator with a disc chassis and aluminum brackets. At $12,750.00, the Universal Robots UR5 package is a two-unit collaborative robot system with an 850 mm reach and 5 kg payload. The decision comes down to what you need the arm to do after unpacking.
Quick verdict
Quick verdict: Pick the 6DOF Mechanical Arm Claw Kit for hands-on learning and assembly experience. Choose the Universal Robots UR5 Package only if your shop is ready for a restoration project.
Comparison table
| Product | Price | Condition | Best for |
|---|---|---|---|
| 6DOF Mechanical Arm Claw Kit (Yanmis) | $78.90 | New, assembly required | Classroom teaching, adult hobbyists, DIY builds |
| Universal Robots UR5 Collaborative Robot Package | $12,750.00 | For parts or not working; untested since removal | Shops that can restore a used cobot |
Where each product wins
Where the 6DOF Mechanical Arm Claw Kit Wins
The six servo motors and 2mm aluminum plate brackets give you a stable, flexible platform for showing front-and-back, up-and-down, and left-and-right gripping. The disc-style chassis helps the manipulator rotate smoothly.
Where the Universal Robots UR5 Package Wins
It's a true 6-axis collaborative robot arm with a 5 kg payload and 850 mm reach. Those are the numbers that matter when you need to move parts in a real production workflow.
Product notes
6DOF Mechanical Arm Claw Kit

If your goal is to learn how a six-axis arm moves, this Yanmis kit gives you a teachable platform straight from its title. It arrives as a new, standard-packaged kit requiring assembly, and the age range is listed as adult, so it fits college teaching, DIY builds, and hobby workbenches. The imported cup bearings at the steering joints keep the pivot points centered, which helps the claw rotate smoothly while you're learning. The obvious limitation is that you have to build it before you can use it. Mounting the arm, running the servo connections, and tuning the joints takes time and patience. That's not a drawback if you want assembly experience, but it means the kit is not an out-of-the-box arm. Choose it to understand the mechanics behind a robot claw, not to run a production task.
Universal Robots UR5 Collaborative Robot Package

This package is designed for someone who already knows what to do with a UR5. Along with the primary arm, you get controller components, a teach pendant, a controller tablet, a mobile steel pedestal, and pneumatic end-of-arm case packer tooling. A safety scanner is also mounted at the base, so the bundle is as close to a full work cell as a used package gets. The reason to choose it is the included hardware: you are not just buying an arm, you're buying the components needed to rebuild a collaborative robot system. The limitation is condition. The package is listed for parts or not working, and the primary unit has been untested since removal. That means you should budget for inspection, replacement parts, and commissioning before this arm earns a spot on your floor.
Final choice by use case
For a classroom, training bench, or personal DIY project, the 6DOF Mechanical Arm Claw Kit gives you a build-it-yourself way to learn how a robot arm's joints work. For a facility with robotics expertise and a commissioning plan, the Universal Robots UR5 Package is the platform that can pay off in production.