To attain walk training in a sitting-on posture without burden on knees in order to avoid becoming a person to be cared for since aging starts at legs for an aged person.

Projectingly and recessingly bent round bar shapes are prepared in juxtaposing positions, two bearings are arranged at both sides and a gear wheel shape 8 is fixed to each tip. A circular plate shape is fixed to the peripheral part of the rim of each rear wheel 1, a chain shape 3 is adhered to the inner side, an axle bar and the round bar shape are arranged parallel at each position connected to the gear wheel shape 8 and a bearing and a support member are respectively fixed at the both sides. The round bar shapes 16 are put into two same length lever bars 15 and fixed to both side surface members 17. The two same length connection bars are attached to projecting and recessed parts to be rotatable and the opposite sides are connected to the ends of the level bars 15. The same length connection bars 18 have two peals 19 which are attached to each tip and the opposite side is connected to the end of each level bar 15. Four rope shapes 28 for supporting the pedals are caught at the front upper parts of the main body.