Cancan rquires you to put four arced pieces at the surface of a cylinder.
The pieces have grooves at its sides and a cam to fit and move around in the cylindric
...さらに表示 frame which has some cams as well.
The moves are resticted by the other pieces and the cylinder ,so both put-together and taking-apart are a challenge.
Cancan comes with a stand so the solved puzzle can be put on display.
