This list is for your reference. You do not need to bring those to the workshop.
See also: What to Bring.
scissors, glue sticks
plain unlined paper
1/4 or 1/5-inch graph paper
Fairly easy to find -- shop around:
(available in wood or plastic.
Avoid the "foam" ones, because in my experience they are less accurately manufactured)
transparent plexiglas "mirrors" (brand names: Mira, GeoMirrors, probably others)
Available from Nasco: