Hi, any chance we can get replacement part (F16)?

Either the box or instruction sheet should have a customer service phone number or email address.

Ease to disassemble and reassemble for a classroom use each year? Say a class of 20 students...one kit per student?

I wouldn't. The peices are strong when together but there are a handful of screws that need to keep their place. Once the screw threads "bite" into the plastic once, the strength of the attachment will lose alot of integrity if taken out and returned. Also, there are some adhesive pads that the "fingers" use for traction/purchase that won't peel off very well. I'm afraid that the pieces very likely would break if carefully taken apart and reassembled. I'd go as far as saying that it's likely that you would need to purchase 24 for a class of 20 to insure a surplus of "extra" parts for any that may break during assembly. Good one time assembly project though. Thank you for being a teacher. I hold teachers in the same regard as first responders as heroes. Bigs hugs for you.

I am missing a P2 screw, this toy was a gift, how do I get a replacement?

I haven't had to contact their support line.........buut, the p2 size screw is pretty common.....if you have any old electronics collecting dust, you can probably salvage one from any old tech laying around.

A P2 screw is missing, can you send one please?

We are also missing that screw. We're you able to find a replacement for it?

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Thames & Kosmos Giant Cyborg Hand STEM Experiment Kit | Build Your Own Giant Hydraulic Hand | Amazing Secure Grip Feature | Adjustable to Different Hand Sizes | Learn Hydraulic Systems and Pneumatic Systems

Thames & Kosmos Giant Cyborg Hand STEM Experiment Kit | Build Your Own Giant Hydraulic Hand | Amazing Secure Grip Feature | Adjustable to Different Hand Sizes | Learn Hydraulic Systems and Pneumatic Systems

Product ID: 724984983

Details

Age Range (Description)
7+
Brand
Thames &
Item dimensions L x W x H
25.4 x 12.1 x
Size
25.4 x 11.94 x
Theme
Science

💧Water-powered, no batteries

🔧Adjustable multi-angle knuckles

🦾203-piece hydraulic build

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KD 38.30

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Description

🦾 Build the future in your hand — grab innovation with every squeeze!

CUSTOM FIT FOR EVERY HAND - Adjustable design fits right, left, or claw configurations, tailored to virtually any hand size for personalized mechanical mastery.
AWARD WINNING STEM INNOVATION - Winner of STEAM Toy of the Year 2021, this kit brings industrial robotics concepts to your workspace or classroom.
PRECISION MOVEMENT ENGINEERING - Each knuckle moves independently with adjustable angles, delivering lifelike dexterity and a secure grip on everyday objects.
HYDRAULIC POWER ZERO BATTERIES - Experience real pneumatic force with water pressure—no motors or electricity needed, making STEM learning eco-friendly and hands-on.
COMPREHENSIVE LEARNING EXPERIENCE - Includes 40 pages of full-color instructions and scientific insights into hydraulics and pneumatics powering modern robotics.

The Thames & Kosmos Giant Cyborg Hand STEM Kit is a 203-piece build-it-yourself hydraulic mechanical hand that operates using water pressure and pneumatic principles. Designed for ages 7+, it features adjustable knuckles and can be assembled as a right hand, left hand, or claw, fitting various hand sizes. This award-winning educational kit offers a hands-on introduction to robotics and industrial hydraulic systems without batteries or motors, making it a sustainable and engaging STEM learning tool.

Specifications

ASIN	B085LRW4VR
Age Range (Description)	7+
Age Range Description	7+
Amazon Bestseller	#195,215 in Toys & Games ( See Top 100 in Toys & Games ) #459 in Robotics Science Kits
Brand	Thames & Kosmos
Brand Name	Thames & Kosmos
Customer Reviews	4.5 out of 5 stars 3,893 Your Review
Educational Objective	STEM
Global Trade Identification Number	00814743015197
Included Components	Plastic assembly pieces, metal springs, flexible tubes, screws, manual
Is Assembly Required	Yes
Item Dimensions	25.4 x 12.1 x 27.9 cm
Item Type Name	Robot Engineering and Programming STEM Experiment Kit
Item Weight	1.8 Pounds
Item dimensions L x W x H	25.4 x 12.1 x 27.9 cm
Manufacturer	Thames & Kosmos
Manufacturer Minimum Age (MONTHS)	84
Manufacturer Part Number	620501
Material Type	Plastic
Model Number	620501
Size	25.4 x 11.94 x 33.02 cm
Theme	Science Fiction
UPC	814743015197 814743016231

Reviews

J**N

POOR QUALITY

25.07.2024

G**C

Damaged box and opened seal

3.12.2022

H**L

Awesome cyborg hand!

8.12.2025

C**E

A mão é bem legal dá para pegar coisas, as crianças e os pais amaram

Maravilhoso!!!

24.02.2026

K**A

Shipment issue

14.05.2024

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