or closed by means of a hinge on the lower surface of the cabinet body are wheels not shown which can rotate along the grooves in order to move the cabinets 101 108 on the upper surface of the cabinet body is a guiding protrusion 136 and 138 the movable cabinets 102 107 move along the second grooves 112 while the movable cabinets 101 and 108 respectively move along the first grooves 111 and the fourth grooves 114 when the movable cabinet 108 moves into the third hiding chamber 613 and the movable cabinet 107 moves left to the left position the movable cabinet 107 is fixed by lock 511 thus precious articles are stored and hidden in the movable cabinet 108 in the hidden area on the upper surface of the middle panel 30 are first grooves 111 third grooves 113 and fourth grooves 114 on which the wheels can move and rotate the wheels of movable cabinets 101 and 108 move and rotate on grooves 111 113 and 114 so that the movable cabinets 101 and 108 can freely move between hidden area and ornamental area the upper surface of the middle panel 30 in the ornamental area is second grooves 112 on which the wheels a of movable cabinets 102 107 can rotate so that the movable cabinets 102 107 can freely move in the.