Shading for kindergarten – a shed with a 3 x 3 Iskurit roof (1902)

Information about shading for a kindergarten – a shed with a 3 by 3 Iskurit roof – 1902:
Description of the facility:
Shed with a 3×3 wooden sandbox.
for use in kindergartens for protection from the scorching sun,
Above the children’s heads the play in the sandbox.