Uranium marble box
Hexagonal tray with a tight honeycomb of cups — each uranium marble sits in its own nest so they cannot spill. Grow the hex, add rings, or expand the packing so a finger can pinch a marble.
Hexagonal tray with a tight honeycomb of cups — each uranium marble sits in its own nest so they cannot spill. Grow the hex, add rings, or expand the packing so a finger can pinch a marble.