グレッグ パズル ブログ

A six-band puzzle ring assembled, beside a second one fallen into loose bands

パズルリング:実はトルコ起源ではない

Four to twelve bands that collapse the moment you take the ring off. The famous story behind it is charming and almost certainly invented.

パズルリング:実はトルコ起源ではない

Four to twelve bands that collapse the moment you take the ring off. The famous story behind it is charming and almost certainly invented.

A carved Chinese puzzle ball with nested spheres visible through the openwork

中国の透かし彫り球:組み立てず、削り出す

Twenty-five spheres inside one another, every layer carved through holes from the outside. Nothing was ever assembled, which is the whole point.

中国の透かし彫り球:組み立てず、削り出す

Twenty-five spheres inside one another, every layer carved through holes from the outside. Nothing was ever assembled, which is the whole point.

A Shashibo part-folded from a cube into an angular star solid

シャシボ:36個の磁石と70以上の形

A cube with no solved state, held together by magnets rather than geometry. It is the best-selling puzzle object of the moment and barely a puzzle.

シャシボ:36個の磁石と70以上の形

A cube with no solved state, held together by magnets rather than geometry. It is the best-selling puzzle object of the moment and barely a puzzle.

A Pyraminx: a tetrahedral twisty puzzle with its apex tip turned out of line

ピラミンクス:3年で9000万個

A tetrahedron with four corners you can solve by accident. Strip those away and only 11,520 positions are left, which is why beginners finish it.

ピラミンクス:3年で9000万個

A tetrahedron with four corners you can solve by accident. Strip those away and only 11,520 positions are left, which is why beginners finish it.

A Void Cube: a 3x3 with the centres removed and holes through the middle

ボイドキューブ:中身のないルービックキューブ

Take the middle out of a Rubik's Cube and it still turns. It also gains a position the original cannot reach, which is where people get stuck.

ボイドキューブ:中身のないルービックキューブ

Take the middle out of a Rubik's Cube and it still turns. It also gains a position the original cannot reach, which is where people get stuck.

Twelve matchsticks arranged as a two-by-two grid of four squares

マッチ棒パズル:思うより新しく、古い

They feel like folk puzzles passed down for centuries. They were invented as school exercises in the 1860s, and one man in 1957 made them famous.

マッチ棒パズル:思うより新しく、古い

They feel like folk puzzles passed down for centuries. They were invented as school exercises in the 1860s, and one man in 1957 made them famous.