To provide a kit capable of easily preparing a decorating device requiring circulation of water.SOLUTION: The water circulation device is a water circulation device including a connection member 21 attached tightly to a lower portion of a water basin 30 having a drain hole 31 formed in a bottom portion thereof, and a lower layer container 20 joined to the connection member 21 The lower layer container 20 has a pump 41 for taking water in its own container and supplying it into the water pot 30. The connecting member 21 penetrates the connecting member 21 and flows from the drain hole 31 into the water pot 30 The water in the water pot 30 falls from the upper part of the hollow columnar body 14 and falls from the lower part of the hollow columnar body 14 into the lower layer container 20.(FIG.【課題】水を循環させることが必要な装飾用の装置を、容易に作成できるキットを提供する。【解決手段】水循環装置は、底部に水抜き穴31が形成された水鉢30の下方部に密着させて装着する連結部材21と、連結部材21と接合する下層容器20とを備える水循環装置であって、下層容器20は、自容器内の水を取水して水鉢30内に給水するポンプ41を有し、連結部材21は、当該連結部材21を貫通し、水抜き穴31から水鉢30内に立設する中空柱体14を有し、水鉢30内の水は、中空柱体14の上部から落下し、中空柱体14の下部から下層容器20内に落下する。【選択図】図3
