The present invention can be moved while maintaining a strip of shape, to provide a lightweight and flexible structure. A plurality of bearings each having a cylindrical core portion 1a1, the core portion 1a1 which has a ... ... pair of wheels which are respectively provided rotatably at both ends of the (2a1~2a11,2b1~2b11) comprising a block, a core portion 1a1, provided to extend in a direction perpendicular ... in the axial direction of a pair of rails 6a for mounting a pair of wheels (2a1~2a11,2b1~2b11), and 6b, a. Core 1a1, ... a plurality of bearing blocks 3a1~3a11 in a direction perpendicular to the axial direction are arranged in parallel of.FIELD 1【課題】帯状の形状を維持しながら移動可能で、軽量且つフレキシブルな構造体を提供する。【解決手段】それぞれ円筒状の芯部1a1,…を有すると共に芯部1a1,…の両端部にそれぞれ回転可能に設けられた一対の車輪(2a1~2a11,2b1~2b11)を有する複数個の軸受ブロックと、芯部1a1,…の軸方向に直交する方向に延びるように設けられ、一対の車輪(2a1~2a11,2b1~2b11)を載置する一対のレール6a,6bと、を備える。芯部1a1,…の軸方向に直交する方向に複数個の軸受ブロック3a1~3a11が平行に配列される。【選択図】 図1