The Concave Wonderland
★★★★☆ 4.2 · 2226 reviews · SKU MW-80469
237,549,983.00 GBP
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 | Desert Continental |
|---|---|
| Coastline Complexity | Archipelago intensive (4.1 factor) |
| Delivery Estimate | Immediate (demonstration model) |
| Diameter | 21,844 km |
| Star System | Isolated Interstellar Object |
| Surface Gravity | 1.0g |
| Warranty Coverage | Lifetime atmospheric guarantee |
Customer reviews
Initially everything seemed perfect, but within weeks, subsurface seismic instability became apparent. Warranty specifically excluded geological defects over certain magnitudes.
The hollow planet option was the best choice I ever made. Exploring the interior caverns with their crystal formations is like being inside a geode the size of a world.
My pocket-universe lot purchase was life-changing. I can retreat to my own universe when reality becomes too much. Worth every single credit spent.
Amazing. The planet is perfect in every detail. Five stars definitely earned.
Used the professional demo to test our building designs against real environmental data. Saved us from three architectural mistakes. The validation alone was worth it.
Magrathea delivered a moon cluster that exceeded my specifications in every way. The gravitational harmonics are perfectly balanced, and the orbital paths create stunning visual alignments. Truly exceptional work.