Video link: How-to-make-a-pop-up-reader
Unfortunately due to the detailed tasks, it's not able to be constructed by someone with a visual impairment, but it can be made by a friend or helper.
You will need:
-Cardboard. Single corrugated. 4mm.
-Hot glue gun. Alternatively super glue.
-Magnets. Diamater 6mm x Height 3mm. Round.
Stick the middle sheet to the other two A4 sheets, making sure the crosses line up creating one long net.
Cut along the black lines inside the net too.