This review has been updated 9 times since it was first published in January of 2019. Whether your are a tech aficionado, someone who is just beginning their journey into robotics, or trying to find the perfect gift to foster a child’s interest in computing, one of these programmable robotic arms is perfect. They are great learning and teaching tools to help people gain a better understanding of how automation works. Have fun setting them up to perform basic and advanced tasks. When users buy our independently chosen editorial choices, we may earn commissions to help fund the review.

8. ArmUno 2.0 MeArm
The ArmUno 2.0 MeArm (about $40) requires assembling that takes about 30 minutes and allows you to learn about the inner workings of the unit. It includes Arduino source code examples to make it easier for you to start your own programming.
- Components fit together well
- Only moves along four axes
- Wooden build is flimsy

7. LewanSoul LeArm
The LewanSoul LeArm (about $130) offers six degrees of freedom, so you’ll have a lot of flexibility in where and how you position it. A precise digital servo allows for very accurate control, too, making it good for intricate tasks at which others may struggle.
- Capable of lifting up to 250 grams
- Includes pc interface software
- Not open source

6. LewanSoul xArm
The LewanSoul xArm (around $200) utilizes serial bus servo motors that provide voltage, temperature, and angle feedback, allowing you to monitor every aspect of the system. It supports multiple programming methods, so you can set it up using your PC or a mobile device.
- Can memorize manual positioning
- Controllable via a computer mouse
- Uses a proprietary serial protocol

5. Frentaly R4
The Frentaly R4 (about $80) comes in at a low price that makes it a good choice for schools, where students may be overly rough on the equipment. It is also suitable for those just getting into robotics coding and not 100-percent sure if they will stick with it.
- Six servo motors
- Can produce over 40 pounds of torque
- Predrilled mounting holes

4. SainSmart 6-Axis
The primary joints on the SainSmart 6-Axis (appx. $170) utilize metal gear servos, which ensure a smooth and reliable operation for a long time. The unit provides an extremely wide range of motion that allows you to complete a large variety of tasks with it.
- Compatible with pi zero boards
- Includes step by step tutorials
- Comes fully assembled

3. Makeblock Ultimate Scratch 2.0
The Makeblock Ultimate Scratch 2.0 (appx. $349) will provides endless hours of educational entertainment. In addition to a gripping arm, it can be assembled into nine other forms, including a catapult, an ant, a tank, and a rolling camera dolly.
- Sturdy aluminum components
- Control via bluetooth
- Supports graphical coding


2. SunFounder Rollarm Kit
The SunFounder Rollarm Kit (about $75) may be budget friendly, but that in no way means it is low quality. It is based on the open source Arduino UNO microcontroller board, can be operated by hand or computer input, and is able to memorize up to 100 movements.
- Ideal entry-level model
- Straightforward assembly
- Comes in an acrylic or wooden option

1. Dobot Magician
The Dobot Magician (around $1399) is an excellent and versatile educational tool, as it accepts most major programming languages, including C++, C#, Python and Java. It won a CES Innovation Award, which is a competition that honors the best design and engineering in consumer products.
- Supports 3d printing functions
- Includes a drawing kit
- Multiple control options

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