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💧 Build the future with water-powered robotics — no batteries, all brilliance!
The Elenco Teach Tech Hydrobot Arm Kit is a STEM-focused educational toy designed for kids 12 and up, featuring a 6-axis robotic arm powered entirely by hydraulics using water—no batteries required. With 270° base rotation and precise lever controls, it offers hands-on learning in mechanical engineering, problem-solving, and green energy principles. This 230-piece kit encourages future engineers to build, move, and manipulate objects with a gripper or suction attachments, making STEM education engaging and eco-conscious.
| ASIN | B07NVFGH2X |
| Assembly Required | Yes |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #200,392 in Toys ( See Top 100 in Toys ) #2,632 in Educational Science Kits |
| Color | Grey/Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,514) |
| Date First Available | 31 May 2019 |
| Educational Objective(s) | STEM |
| Item model number | TTR-632 |
| Manufacturer recommended age | 12 years and up |
| Material Type(s) | Plastic |
| Number of Puzzle Pieces | 230 |
| Product Dimensions | 39.62 x 28.96 x 10.41 cm; 1.25 kg |
| Remote Control Included? | No |
| Scale | 1/32 |
R**O
Un excelente regalo para niños con inquietudes hacia la ingeniería! Los divierte y reta armándolo y jugando con él!
W**T
My 9 y/o son who has a robotics fascination needed to understand the principles of hydraulic actuation before we got into pumps, valves and accumulators. This was the perfect starter kit. A word of warning—this is not really a kit for novices. The systems won’t work really well unless you are diligent in following the instructions to bleed each of the cylinders and water lines. It’s a lot of tedious assembly work for a younger kid that should be overseen by someone with at least a little mechanical aptitude. But for the price it is a fantastic teaching tool and precision toy.
0**Y
With some engineering background, we put it together successfully right away. It took several hours to assemble and I will admit, getting the hydraulics loaded correctly is a bit of a challenge for any 12-year-old without adult supervision. Even then, I could see a lot of folks being overwhelmed by the challenge of not only assembly, piece by piece, with no room for error, to the water-loading hydraulic portion of the assembly. Set aside plenty of uninterrupted time, "roughly" first 40 pages are robot assembly, second 40 pages are hydraulics/pumps/tubing. If you're looking to get your kids interested in robotics, STEM/STEAM, or engineering/manufacturing this is a relatively inexpensive introduction to test the staying power of this low-level technology and their interest. It will also test your patience. Although we've played with it enough now that it's already showing signs of wear and the parts/levers are getting loose. Overall, great introductory toy to robotics!
R**O
Muy bueno, le encantó a mi hijo, se divierte jugándolo. Recomendado
T**E
Very well made small precision parts. The instructions are very clear and well done. Don't plan on finishing this in one sitting.