Hourglass Pocket Puzzle Variety Box All you need is a

All you need is a pencil and paper

and two six-hour beeswax candle sticks (though any type of candle may be substituted)

Modern thermometers may be more accurate but the visual magic of Storm Glass has been enchanting weather prognosticators for almost 200 years

carved by a master craftsman with over forty years of experience turning the finest tops in the world

Hourglass Pocket Puzzle Variety Box All you need is aThis puzzle is made by combining two pieces each of two similar, but slightly different shapes. They are carefully calculated, with tricky movement added. It is impossible to unravel with one linear movement. Designed by Korean puzzle creator JinHoo Ahn. Made by Hanayama.