In a flat roll-up structure for rolling up net body flatly, at upper and lower end of net body, it is installed respectively with protruding object, meanwhile, at roll-up mechanism, it is installed with upper and lower positioning roller module to limit the movement scope of net body, therefore, when net body is to be expanded, net body, through the guidance of upper and lower positioning roller structure, can be withdrawn flatly; when protruding object used to roll up net body is limited for its movement scope by upper and lower positioning roller module, and is limited by the limiting part of upper and lower positioning roller module, the net body can then be rolled up flatly without generating up and down shift, which can avoid the generation of tying problem due to unbalanced receiving in net body.

A ball game is submitted. The ball game has an elevated, flat surface which resembles a volleyball net, but where there are three rows of ten boxes. Each hole (box) in the net is 12 inches12 inches, and the game ball is around 5 inches in diameter. A user stands on either side and may throw the ball through one of the holes. Another user stands on the opposite side and may catch and return the ball in the same way. The height, general dimensions, and the size of the game ball may vary. However, the holes in the net are at least 50% larger than the diameter of the game ball, e.g., in another embodiment, there are three rows of eight boxes, where each hole is 14 inches14 inches, and the game ball is around 6 inches in diameter.

A ball game is submitted. The ball game has an elevated, flat surface which resembles a volleyball net, but where there are three rows of ten boxes. Each hole (box) in the net is 12 inches12 inches, and the game ball is around 5 inches in diameter. A user stands on either side and may throw the ball through one of the holes. Another user stands on the opposite side and may catch and return the ball in the same way. The height, general dimensions, and the size of the game ball may vary. However, the holes in the net are at least 50% larger than the diameter of the game ball, e.g., in another embodiment, there are three rows of eight boxes, where each hole is 14 inches14 inches, and the game ball is around 6 inches in diameter.

A modular support and storage assembly that can be installed into a ground anchor hole. The assembly includes five support sleeves that are fixed into a base anchor. The support sleeves are housed inside a post. A skirt sits atop the base anchor. An upper collar and an upper anchor host are situated atop the support sleeves. An anchor element is inserted into and through the assembly and into a ground anchor hole and fixes the assembly to the ground. The assembly is modular in that one or more sub-assemblies can be used to accommodate varying numbers of support structures, such as swing arms that hold electronic devices, towels, beverages, and electronic devices.

A modular support and storage assembly that can be installed into a ground anchor hole. The assembly includes five support sleeves that are fixed into a base anchor. The support sleeves are housed inside a post. A skirt sits atop the base anchor. An upper collar and an upper anchor host are situated atop the support sleeves. An anchor element is inserted into and through the assembly and into a ground anchor hole and fixes the assembly to the ground. The assembly is modular in that one or more sub-assemblies can be used to accommodate varying numbers of support structures, such as swing arms that hold electronic devices, towels, beverages, and electronic devices.