Portable playing device with quadratic perimeter, comprises base surface, cover surface, four side surfaces, and rectangular opening extending from side surfaces to base surface acting as goal
摘要
<p>The portable playing device (1) has a base surface (5), a cover surface (4) and four side surfaces (2, 3). At least two of the opposite-lying side surfaces may be sealed. There may be a rectangular opening (6) extending from the side surfaces to the base surface and which can act as a goal. The rectangular opening may have an enclosure (9) that is made from material that differs to that of the side walls.</p>