








💧 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 | #201,305 in Toys ( See Top 100 in Toys ) #2,628 in Educational Science Kits |
| Color | Grey/Black |
| Customer Reviews | 4.0 4.0 out of 5 stars (3) |
| Date First Available | 31 May 2019 |
| Educational Objective(s) | STEM |
| Item model number | TTR-632 |
| Language | English |
| 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 |
Trustpilot
2 weeks ago
2 months ago