The 5 Best Hydraulic Robotic Arms

This review has been updated 8 times since it was first published in February of 2019. Learning is always more effective when it’s fun, and these robotic arms can teach children the fundamentals of hydraulics in a way that’s incredibly engaging. They come with an array of difficulties and at various price points, so regardless of whether you’re trying to amuse a 7-year-old or challenge a class of high schoolers, you’re bound to find an option that works for you. When users buy our independently chosen editorial picks, we may earn commissions to help fund the review.

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Top 5 Hydraulic Robotic Arms

5. Discovery Kids DIY

We’ll warn you up front: putting together the Discovery Kids DIY (appx. $37) will likely teach children some new four-letter words in addition to the fundamentals of hydraulics, as it can be very frustrating, indeed. But it’s satisfying and a lot of fun once you’re finished.

4. TeacherGeek Advanced

As the name suggests, the TeacherGeek Advanced (appx. $220) isn’t something small children are likely to be able to put together on their own, so be prepared to pitch in. However, once you’ve got it figured out, you’ll find that it’s one of the most versatile machines on the market.

3. Pitsco T-Bot II

The Pitsco T-Bot II (around $74) can be operated by one person or teams of two, making it perfect for in-class group projects. Very little is required to put it together — just some glue, scissors, and a screwdriver. You have to provide all that yourself, though.

2. Marbles Wonderology

Made of precut plywood, the Marbles Wonderology (around $10) isn’t rough-and-tumble enough to survive much abuse, but the low price tag should help make up for that. Assembly takes about an hour, which is sufficient to keep kids engaged without overwhelming them with complexity.

1. Circuit-Test Edge

The Circuit-Test Edge (about $76) isn’t something you can put together in a few minutes, but any time and energy you spend assembling it will be well rewarded. It has an extensive reach, both horizontally and vertically, to go along with a powerful gripper and suction apparatus.

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