The texture shown on the surface of the collapsible ball toss game forms part of the claimed design. The broken lines depicting a stand and attached hangers illustrate environmental structure and form no part of the claimed design. The remaining broken lines depict portions of collapsible ball toss game that form no part of the claimed design. The collapsible ball toss game is shown with a symbolic break in its width. The appearance of any portion of the article between the break lines forms no part of the claimed design.