The Concave Wonderland
★★★★★ 4.9 · 3830 reviews · SKU MW-1679
515,201,971.00 Altairian Dollars
In production — ships in 3 epochs
About this build
A demonstration showcase at 14,200 km outer diameter with a 2,600 km artificial interior sun and interior ocean covering 78% of inner surface. Includes 23 island settlements, undersea research facilities, and interior-navigation guides. Atmosphere cycles synchronized to interior sun (20-hour day cycle). Geological investment: 33 epochs. Winner of the Magrathea Innovation Showcase Award.
Specifications
| Climate | Perpetual Spring Temperate |
|---|---|
| Coastline Complexity | High bays and inlets (6.2 factor) |
| Delivery Estimate | 2-3 weeks (standard shipping) |
| Diameter | 21,844 km |
| Star System | Binary F & K-class |
| Surface Gravity | 1.0g |
| Warranty Coverage | Partial (habitable zones only) |
Customer reviews
Marketing emphasized unique custom features, but my planet looks very similar to their standard catalog worlds. Feels like false advertising.
My world functions well and has attractive geological features, though I felt the coastline quality was more standard than the marketing suggested. It's a fine planet, just not the masterpiece I'd hoped for.
Our independent seismic survey found no concerning features. The planet is genuinely stable for long-term habitation and development. Magrathea's specifications are trustworthy.
The planet is well-made and functions properly. But at three times the cost of basic alternatives, the value proposition feels weak.
The planet itself is nice, but the warranty document is so complex and full of exclusions that I don't really know what's actually covered.