< Topic >The three-dimensional combination tank which can enjoy three-dimensional aerial swimming of the appreciation fish and the like is offered.SolutionsThe top aperture with the transparent materials, as on the one hand side where the subjective tank 2 which is formed and the destal is formed to the opening vertical hydrographic office 3a, it consists of the auxiliary tank 3 where the other side vertical hydrographic office 3b where the destal is formed to the opening and the difference crossing over hydrographic office 3c which both destals joint to those are formed to the ko shape of character with the transparent materials, on the one hand Kakeya it designates aforementioned auxiliary tank 3 respectively as the top and the like of the side wall where aforementioned subjective tank 2 opposes surface and the other side wall surface, the subjective tank 2 where it has tool, this tool auxiliary tank 3 turns in the fulcrum and stores the waterFalling down sideways, it stores the water of subjective tank 2 inside the auxiliary tank 3, when the opening of both destals of that auxiliary tank 3 is soaked in the water, turning in the fulcrum, it raises aforementioned tool and causes and pulls up, setting auxiliary tank 3 to standing up state in subjective tank 2 at the same time with tool, it becomes.< Choice figure >Drawing 1【課題】鑑賞魚等の立体的空中遊泳が楽しめる立体組合せ水槽を提供する。【解決手段】透明資材で上端が開口して構成される主体水槽2と、端部が開口部に形成される一方側垂直方向水路部3a、端部が開口部に形成される他方側垂直方向水路部3b及びそれらに両端部が接続する差渡水路部3cがコ字形に透明資材で構成される補助水槽3とからなると共に、前記補助水槽3は前記主体水槽2の対向する一方側壁面と他方側壁面の上端等にそれぞれ掛合する掛具を具え、この掛具を支点に補助水槽3を転回して水を収容した主体水槽2に横倒してその補助水槽3内に主体水槽2の水を収容し、その補助水槽3の両端部の開口部を水に漬けた状態で、前記掛具を支点に転回して立て起して引き上げ、かつ掛具により補助水槽3を主体水槽2に起立状態にセットしてなる。【選択図】図1
