---
product_id: 132997932
title: "Teach Tech “Hydrobot Arm Kit”, Hydraulic Kit, STEM Building Toy for Kids 12+"
brand: "teach tech"
price: "S$117"
currency: SGD
in_stock: true
reviews_count: 8
category: "Teach Tech"
url: https://www.desertcart.sg/products/132997932-teach-tech-hydrobot-arm-kit-hydraulic-kit-stem-building-toy
store_origin: SG
region: Singapore
---

# Water-powered hydraulics, no batteries needed 270° base rotation for versatile movement 6-axis robotic arm with precise lever control Teach Tech “Hydrobot Arm Kit”, Hydraulic Kit, STEM Building Toy for Kids 12+

**Brand:** teach tech
**Price:** S$117
**Availability:** ✅ In Stock

## Summary

> 💧 Build, control, and conquer with the power of water-driven robotics!

## Quick Answers

- **What is this?** Teach Tech “Hydrobot Arm Kit”, Hydraulic Kit, STEM Building Toy for Kids 12+ by teach tech
- **How much does it cost?** S$117 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/132997932-teach-tech-hydrobot-arm-kit-hydraulic-kit-stem-building-toy)

## Best For

- teach tech enthusiasts

## Why This Product

- Trusted teach tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Battery-Free Fun:** Harness green energy with zero batteries—perfect for eco-conscious innovators and hands-on learners.
- • **Multi-Axis Mastery:** Six degrees of freedom including 270° base rotation for lifelike robotic arm movement.
- • **Hydraulics in Action:** Experience real mechanical engineering powered purely by water—eco-friendly and endlessly cool.
- • **STEM Learning Elevated:** Designed to ignite curiosity and sharpen problem-solving skills in future engineers aged 12+.
- • **Precision Control Levers:** Fine-tune every grab and release with intuitive lever-operated grippers and optional suction attachments.

## Overview

The Hydrobot Arm Kit is a water-powered, 6-axis robotic arm designed for kids 12 and up to learn mechanical engineering and hydraulics hands-on. Featuring 270° base rotation, precise lever controls, and interchangeable grippers, it offers an immersive STEM experience without batteries. This eco-friendly kit encourages problem-solving and analytical thinking, making it a standout educational tool for aspiring engineers.

## Description

"Young engineers will be delighted with the new HydroBot Arm Kit. It is powered by water, so no motor needed! They can use the levers and the power of hydraulics to move the multi-axis arm. The lever controllers have a special braking system that helps to achieve fine, accurate tasks. The gripper can open and close with a maximum 47mm (1. 89 in. ) gap, wrist joint rotation of 180deg. , wrist joint mobility of 98deg. , elbow joint range of 44deg. , base rotation of 270deg. , and shoulder joint motion of 45deg. , with a vertical reach of 16. 35in. , horizontal reach of 12. 42in. , and 50g lifting capacity. Grippers can be removed and replaced with suction components to pick up objects with smooth surface areas of no greater than 50g (1. 75 oz. ). The clear, animated instructions make the assembly and operation of this STEM robot easy to understand. Best suited for Future Engineers 12 and up. Elenco Teach products are based on STEM activities (Science, Technology, Engineering, Math) to teach and encourage kids in their development, all while having fun! All Teach Tech Green-Energy robots are powered by either water, wind, or sun, so there are no batteries required. Perfect for future engineers ages 12+. "

Review: Super cool hydraulics learner kit - but be ready for a lot of assembly. - 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.
Review: Challenge to assemble but valuable to teach/learn - 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!

## Features

- BUILD WORKING ROBOTS: Teach your kids mechanical engineering in a way they can't resist! Designed for kids 12+, this kit will guide your learner through the process of building real, working robots - taught in a way that they'll understand!
- POWERED BY WATER: Use the power of hydraulics to harness and control the Hydrobot! The arm includes 6 different axes and can rotate up to 270 degrees - no batteries required
- MOVES, ROTATES & GRABS: Use the levers to control the gripper which can open and close or be replaced with suction components to pick up objects
- NOT JUST ROBOTICS: With our Teach Tech Kits, the learning doesn't just stop at robotics. Teach Tech instructions are specifically designed to develop problem solving skills, analytical thinking and curiosity in young minds
- HANDS ON LEARNING FUN: Teach Tech products focus on STEM activities (Science, Technology, Engineering, Math) to teach and encourage kids in their educational development, all while having fun!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NVFGH2X |
| Best Sellers Rank | #31,425 in Toys & Games ( See Top 100 in Toys & Games ) #331 in Educational Science Kits |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,452) |
| Item Weight | 2.75 pounds |
| Item model number | TTR-632 |
| Manufacturer | OWI Inc |
| Manufacturer recommended age | 12 years and up |
| Product Dimensions | 15.6 x 11.4 x 4.1 inches |
| Release date | May 20, 2019 |

## Images

![Teach Tech “Hydrobot Arm Kit”, Hydraulic Kit, STEM Building Toy for Kids 12+ - Image 1](https://m.media-amazon.com/images/I/71ncvs3cT9L.jpg)

## Questions & Answers

**Q: Is there a way to get replacement parts? My child is really enjoying building this robotic arm, unfortunately some of the tiny parts are lost**
A: Horrible customer service  with the  company, don't offer replacement or replacement parts. Told us to use zip ties to hold it together. Biggest waste of money and a piece of junk. Wouldn't recommend

**Q: Why are there two different prices for this product? One is $37 and the other is $59... I don't see a difference in either product. Please help!**
A: The product is being sold from two different vendors. Teach Tech is our brand.

**Q: How many pieces**
A: Thank you for your inquiry. There are more than 230 parts in this kit. I hope this helps!

**Q: Arm not working , my son build the arm but the front part or the claw does not pick up stuff**
A: hi its actually for me a con. my son is 12. very difficult to assembly and its not a robot! if the arm doesn't work its a pain. it means there is air in the tube so he has to desassumble it, get rid of the air using 2 water sources for each end of the tube and then reassembly it.  as i said we were very dissapointed with the product. however its very educative in terms of engineering!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Super cool hydraulics learner kit - but be ready for a lot of assembly.
*by W***T on August 28, 2025*

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.

### ⭐⭐⭐⭐⭐ Challenge to assemble but valuable to teach/learn
*by 0***Y on December 27, 2024*

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!

### ⭐⭐⭐⭐ Good quality parts and instructions, too many small parts.
*by T***E on October 20, 2025*

Very well made small precision parts. The instructions are very clear and well done. Don't plan on finishing this in one sitting.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*