Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit
Toy of The Year Finalist, Build a Mechanical Arm, No Batteries/Motors Required | Innovative System | Ages 10+…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in STEM Toys
- •You're on a tight budget — $14 above the category average of $35
- •Rating sits in the bottom 9% 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)
- •Brain Flakes 500 Piece Set — 60% cheaper at $20 (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: C
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 Bionic Robotic Arm STEM Experiment Kit | Most Popular ThinkFun Gravity Maze Falling Marble Logic Game | Best Rated Snap Circuits Jr. SC-100 Electronics Exploration Kit | Best Value Brain Flakes 500 Piece Set | |
|---|---|---|---|---|
| Price | $49.77 | $22.79 | $29.98 | $19.99 |
| Rating | 4.3/5 | 4.6/5 | 4.8/5 | 4.8/5 |
| Reviews | 130 | 37,616 | 29,080 | 14,410 |
| Mubboo Score | C | A+ | A | A+ |
Quick Specs
- Size
- Large
- Theme
- Movie
- Unit Count
- 1.0 Count
- Manufacturer
- Thames & Kosmos
- Model Number
- 620506
- Material Type
- Plastic
- Item Type Name
- Robotics Science Kit
- Item Dimensions
- 15.7 x 4.1 x 11.4 inches
Related Video Reviews
- 📹 Best Toys for 2026 | Toy Fair New York 2026 Best in Show — US Japan Fam
Key Features
- ✦Assemble a cutting-edge, working toy robotic arm from nearly 300 pieces!
- ✦No motors or electricity required! The innovative system is controlled by a pair of joysticks that pull and release a network of nylon cables to enable intuitive and precise moveme…
- ✦The buttons on the top of the joysticks open, close, and rotate the arm and the claw that attaches to the end of it; challenge yourself or friends to grab, move, and release variou…
- ✦A full-color, step-by-step manual guides assembly and experimentation and provides engaging scientific info about robotic arms in the real-world, biomimicry, and mechanical enginee…
- ✦A fun, informative STEM building challenge for kids ages 10+ with help or 14+ for independent play
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 Bionic Robotic Arm STEM Experiment Kit earns Mubboo Score C. Priced at $50 — a premium option, above the category average of $35. Rated 4.3/5 from 130+ reviews. Strong buy if: buyers who prioritize quality over price in stem toys. Skip if: you're on a tight budget — ThinkFun Gravity Maze Falling Marble Logic Game (Score A+, $23) may fit better.
Frequently Asked Questions
Is the Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit worth buying in 2026?
It earns a Mubboo Score of C, with a 4.3/5 rating from 130 reviews — better than 9% of STEM Toys we track.
How much does the Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit cost?
It is currently $49.77 — premium-tier pricing for STEM Toys.
How does the Bionic Robotic Arm 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 Bionic Robotic Arm STEM Experiment Kit carries a Mubboo Score of C 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.