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

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

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!

The product is being sold from two different vendors. Teach Tech is our brand.

Thank you for your inquiry. There are more than 230 parts in this kit. I hope this helps!

Arm not working , my son build the arm but the front part or the claw does not pick up stuff

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!

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🤖 Build, control, and conquer with water-powered robotics mastery!

BEYOND ROBOTICS - Develop critical problem-solving and analytical skills with a kit designed to ignite curiosity and creativity.
PRECISION CONTROL - Operate the gripper with intuitive levers to grab, release, or swap suction components for versatile play.
ECO FRIENDLY POWER - Harness the clean, silent force of water hydraulics for hands-on STEM learning without electronics.
MASTER MECHANICAL ENGINEERING - Build a fully functional hydraulic robot arm with 6 axes and 270° rotation—no batteries needed.
STEM FUN FOR FUTURE INNOVATORS - Engage in a 230-piece build that blends education and entertainment, perfect for aspiring engineers aged 12+.

The Elenco Teach Tech Hydrobot Arm Kit is a 230-piece STEM building toy designed for kids 12 and up, featuring a 6-axis hydraulic arm that rotates up to 270 degrees. Powered entirely by water hydraulics, this battery-free kit teaches mechanical engineering principles through hands-on assembly and operation, fostering problem-solving and analytical thinking in a fun, eco-friendly way.

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TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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I loved the variety of products available. Will definitely shop again.

2 months ago

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Product Dimensions	39.62 x 28.96 x 10.41 cm; 1.25 kg
Manufacturer recommended age	12 years and up
Item model number	TTR-632
Educational Objective(s)	STEM
Number of Puzzle Pieces	230
Assembly Required	Yes
Scale	1/32
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Plastic
Remote Control Included?	No
Color	Grey/Black
ASIN	B07NVFGH2X

Elenco Teach Tech “Hydrobot Arm Kit”, Hydraulic Kit, STEM Building Toy for Kids 10+

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