| 主权项 |
1. An assembly-type balance training device, comprising:
a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end being formed with a first front groove concaved inwardly and a first front protrusion protruding outwardly and being adjacent to the first front groove in a predetermined distance; an opening width of the first front groove being smaller than a groove width of the first front groove; a base width of the first front protrusion being smaller than a body width of the first front protrusion; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second front end being formed with a second front groove concaved inwardly and a second front protrusion protruding outwardly and being adjacent to the second front groove in a predetermined distance; an opening width of the second front groove being smaller than a groove width of the second front groove; a base width of the second front protrusion being smaller than a body width of the second front protrusion; wherein the first front protrusion of the first block is detachably pressed into the second back groove of the second block, the second back protrusion of the second block is detachably pressed into the first front groove of the first block, so that the first block and the second block are connected to each other. |
