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4M
4M Green Science Solar Robot Kit with Customizable Recyclable Design - 1 Set for Kids
3.2
Based on 71 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Product Dimensions
- 8 x 4 x 7 inches
- Item Weight
- 7 ounces
- ASIN
- B004X4WBDI
- Item model number
- 4172
- Manufacturer recommended age
- 8 years and up
- Best Sellers Rank
- #1,032,882 in Toys & Games (See Top 100 in Toys & Games) #871 in Solar Power Kits #9,003 in Educational Science Kits
- Customer Reviews
- 3.2 3.2 out of 5 stars 71 ratings 3.2 out of 5 stars
- Is Discontinued By Manufacturer
- No
- Release date
- September 7, 2025
- Manufacturer
- Great Gizmos
Community Q&A
Questions from real customers
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About the Author
Expert analysis by Jamie Renard
Jamie Renard
Expert ReviewerSenior Editor
Jamie reviews controllers, headsets, and mobile gaming gear for Review Atlas. He tests latency, comfort, and battery life with long play sessions, then checks app support and cross‑platform quirks. His picks help gamers get more fun per dollar.
Video GamesCell Phones Accessories
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Jamie Renard
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Adult Sex Toys & Games testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed