Most items were unopened after purchase and are in beautiful condition. ~The following is quoted from the sales page~ An object that displays various expressions of crystals inside a glass tube in response to changes in the weather. The storm glass was a weather forecasting tool used in 19th-century Europe. It is also known for being installed on the Nautilus, which appears in the novel "Twenty Thousand Leagues Under the Sea." While it is difficult to use practically as a forecasting device today, it's a unique item that's like an experimental instrument, making it fun to observe every day. DETAIL Storm Glass