
Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit
| Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Shoppers looking for STEM Toys from Thames & Kosmos
- •Rating sits in the bottom 16% of STEM Toys — higher-rated options exist
- •ThinkFun Gravity Maze Falling Marble Logic Game offers a better rating (4.6/5) at a similar or lower price ($23)
- •Sillbird 12-in-1 Solar Robot Building Kit STEM Gift — 50% cheaper at $15 (Score A+)
- •Snap Circuits Jr. SC-100 Electronics Exploration Kit — higher rated at 4.8/5 ($30)
📊 Based on data analysis of 44 products in this category.
Mubboo Score: B+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other STEM Toys
Computed from live Amazon rating, review count, and price across 44 STEM Toys · last refreshed 2026-06-02.
How It Compares
This Product Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Most Popular ThinkFun Gravity Maze Falling Marble Logic Game | Best Rated Snap Circuits Jr. SC-100 Electronics Exploration Kit | Best Value Sillbird 12-in-1 Solar Robot Building Kit STEM Gift | |
|---|---|---|---|---|
| Price | $29.97 | $22.79 | $29.98 | $14.97 |
| Rating | 4.4/5 | 4.6/5 | 4.8/5 | 4.3/5 |
| Reviews | 4,063 | 37,616 | 29,080 | 15,641 |
| Mubboo Score | B+ | A+ | A | A+ |
Quick Specs
- Size
- Small
- Theme
- Robots
- Set Name
- Mega Cyborg Hand STEM Experiment Kit
- Sub Brand
- Mega Cyborg
- Unit Count
- 1.0 Count
- Item Weight
- 1.8 Pounds
- Manufacturer
- Thames & Kosmos
- Model Number
- 620501
Related Video Reviews
- 📹 Best Toys for 2026 | Toy Fair New York 2026 Best in Show — US Japan Fam
Key Features
- ✦Build your own awesome, wearable mechanical hand that you operate with your own fingers.
- ✦No motors, no batteries — just the power of air pressure, water, and your own hands!
- ✦Hydraulic pistons enable the mechanical fingers to open and close and grip objects with enough force to lift them. Every finger joint can be adjusted to different angles for precis…
- ✦Three configurations: right hand, left hand, and claw-like; adjustable to fit virtually any human hand.
- ✦Learn how pneumatic and hydraulic systems are used in industrial robots such as automobile components..2021 The Toy Association's STEAM Toy Of The Year Winner
Source: product listing on Amazon.
About Thames & Kosmos
- 8 products in our database
- Average rating: 4.4/5 across all products
- Price range: $14.95 – $49.77
- Categories: Board Games, STEM Toys, Telescopes
Other STEM Toys




Bottom Line
Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit earns Mubboo Score B+. Priced at $30 — a mid-range option, below the category average of $35. Rated 4.4/5 from 4,063+ reviews. Strong buy if: shoppers looking for stem toys from thames & kosmos. Skip if: rating sits in the bottom 16% of stem toys — ThinkFun Gravity Maze Falling Marble Logic Game (Score A+, $23) may fit better.
Frequently Asked Questions
Is the Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.4/5 rating from 4,063 reviews — better than 16% of STEM Toys we track.
How much does the Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit cost?
It is currently $29.97 — mid-tier pricing for STEM Toys.
How does the Mega Cyborg Hand STEM Experiment Kit compare to other STEM Toys?
The category's most-reviewed alternative is the ThinkFun Gravity Maze Falling Marble Logic Game (4.6/5, 37,616 reviews, $22.79). The Mega Cyborg Hand STEM Experiment Kit carries a Mubboo Score of B+ vs A+.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-02) and may change.