The ornamental design for an architectural daycare structure, as shown and described.
The characteristic feature of the design resides in a viewable playroom/playground (optionally open-air or closed) placed in the center of the architectural daycare structure.
FIG. 1 is a front elevational view of the architectural daycare structure showing my new design, the broken lines are for illustrative purposes only and form no part of the claimed design; and,
FIG. 2 is a top view thereof, the broken lines are for illustrative purposes only and form no part of the claimed design.