| 主权项 |
1. An educational dinnerware device comprising:
a rim; an interior surface connected to the rim, wherein the interior surface has at least one interior side wall and a bottom surface defining a food area; an exterior surface connected to and extending away from the rim said exterior surface having at least one exterior side wall and an exterior bottom surface; a card-loading cavity formed into the exterior bottom surface; an exterior viewing surface forming a wall of the card-loading cavity; at least two wedges formed within said card-loading cavity, wherein said at least two wedges each have an inside angle side and an outside angle side; a viewing card having two opposite viewing surfaces and an edge, wherein said edge has at least two notches, wherein each one of said at least two notches is configured to align and press fit onto one of said at least two wedges; a resilient locking bar extending across a portion of the viewing card, said locking bar having at least two ends, wherein one end of said at least two ends is configured to press fit into one of said at least two wedges for holding said viewing card within the card-loading cavity and the inside angle side and outside angle side of each of the at least two wedges provide three lock positions for a second end of said at least two ends is press-fit onto; and an interior viewing surface formed in the interior surface of the food area, wherein the interior viewing surface is aligned with the exterior viewing surface allowing the viewing card to be viewed through the interior viewing surface. |
