Kepler by Felix Ure

The aim is to put all 11 balls inside the enclosure, then insert the lid.A pocket-sized packing puzzle that seems very simple, until it isn't.Difficulty: 6/10

Details

Machined from solid aluminium and brass, Kepler measures 55mm x 31mm x 33mm, and weighs 155g in its solved state.

Spoilers

If you're stuck on a puzzle, email info@felixure.com and ask for a clue.

NOTE! Puzzle is on Sale because it has a few light scratches