Kepler£85.00PriceAdd to CartDescriptionThe 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 DetailsMachined from solid aluminium and brass, Kepler measures 55mm x 31mm x 33mm, and weighs 155g in its solved state. SpoilersIf you're stuck on a puzzle, email info@felixure.com and ask for a clue.