TOMTOP JMS Hydraulic Robot Arm Kit: DIY assembly
Ever wanted to see the look on a kid's face when they realize they've just built a working hydraulic robot arm? This Hydraulic Robot Arm Kit isn't just another toy—it's a gateway to the wild world of hydraulics and mechanics, all wrapped up in a DIY package. Perfect for those young Einsteins and Curies in your life, it turns playtime into a hands-on science lab. And yes, it actually works, picking up stuff and moving it around like some miniature construction site hero.
- First off, it's a creativity booster. Kids get to solve problems they didn't even know existed before they started.
- Then there's the whole 'how does this even work?' moment when they see hydraulics in action—no magic, just science.
- And let's not forget, it's a hit for school projects. Imagine the envy when their project actually does something cool.
Features
- Hydraulic mechanism
- Educational toy
- Science experiment
- Mechanical arm
- DIY assembly
General specs
- Brand: TOMTOP JMS
- Seller: Joom
- ID: 677e4a7e4f5a980160d0afb1
- Assembly Required: Yes
- Mechanism Type: Hydraulic
- Recommended Age: 8+ years
- Material: Plastic, Metal
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$42.95
Last price update: 12/10/25
Out of stock
Price History for seller Joom
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | TOMTOP JMS | Neoglint | baby and kids | Quality Life | Hiwonder | Smartivity |
| Model | JetMax (Developer kit) | Craft Robot Hand | ||||
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| Price | $42.95 | $41.67 | $65.00 | $18.14 | $799.99 | $86.56 |
| Seller | Joom | Joom | Joom | Joom | Amazon | Joom |
| Update | Dec 7, 2025 | Jan 15, 2026 | Jan 13, 2026 | Dec 8, 2025 | Mar 11, 2026 | Dec 8, 2025 |
| Assembly Required | Yes | Yes | Yes | |||
Hydraulic Robot Arm Kit DIY assembly
$42.95
