








Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Spain.
🌀 Unlock your inner engineer with every marble drop!
Ravensburger Gravity Maze 21 is a premium STEM logic game featuring 60 escalating challenges, 9 modular towers, and 3 marbles. Designed for ages 8+, it develops spatial reasoning, planning, and engineering skills through gravity-powered marble runs. Compact and battery-free, it’s perfect for solo play or travel, backed by ThinkFun’s legacy of 50 million brain games sold worldwide.
| ASIN | B08KHLW7TX |
| Age Range Description | 8 Years + |
| Best Sellers Rank | #26,416 in Toys ( See Top 100 in Toys ) #826 in Board Games |
| Brand Name | ThinkFun |
| Color | Multicolor |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,505) |
| Educational Objective | Brain Game, Logic, Reasoning Skills, STEM |
| Global Trade Identification Number | 04005556764334 |
| Included Components | 1x Game Grid, 10x Gravity Maze Towers, 3x Stainless Steel Marbles, 60x Challenges from Beginner to Expert, Instructions |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 24.1 x 7.6 x 26.7 centimeters |
| Item Type Name | Thinkfun Gravity Maze - Falling Marble Brain Game and Stem Toy for Kids Age 8 Years And Up |
| Item Weight | 0.5 Kilograms |
| Manufacturer | Ravensburger |
| Manufacturer Maximum Age (MONTHS) | 1188 |
| Manufacturer Minimum Age (MONTHS) | 96.0 |
| Manufacturer Part Number | 76433 |
| Material Type | Plastic Cardboard |
| Model Number | 76433 |
| Number of Players | 1+ |
| Operation Mode | Manual |
| Power Source | manual winding |
| Set Name | Gravity Maze |
| Size | M |
| Sub Brand | ThinkFun |
| Subject Character | no subject character |
| Supported Battery Types | No batteries required |
| Theme | Challenge, Educational Learning, Logic Game, Maze Game |
| Unit Count | 1.0 Count |
Trustpilot
3 weeks ago
1 month ago