A new game piece chamber has a front surface, a rear surface, and an interior. Spaced apart railings extend in parallel from the front surface to the rear surface and have smooth surfaces facing the interior. A securing mechanism is attached to the railings opposite the smooth surfaces. One or more dividers are configured to be removably secured to the securing mechanism and to organize game pieces stored in the interior. A new game board chamber has a first side and a second, opposing side and a securing mechanism on at least one of the two sides. One or more game piece holders are configured for removable attachment to, and repositioning on, the securing mechanism. A game board organizer is attached to the first side or the second side. A new modular gaming case is configured to house game piece chambers and game board chambers.

Apparatus and methods are disclosed for sealing openings on containers and other structures, permitting selective removal of portions of the seal structure, and for similar selective removal of portions of adhesive elements such as bandages. A seal layer is sized and configured to cover an opening. The seal layer has at least one tear line, where the tear line is positioned and formed for tearing the seal layer for selective removal of a portion of the seal layer from the opening. A tab is connected to the seal layer providing a gripping portion for the user.