Materials and tools for making are everywhere in Cheonggyecheon. This shop sells hand tools and light equipment like air compressors. We also spotted a dozen stands selling nothing but rivets, bolts, washers, or other fasteners.
More materials shops below.
We spotted a dozen places selling kilogram bags of fasteners.
Hex standoffs of all materials and sizes by the kilo.
A small stretch of the street had 5 or 6 lab glass and medical supply stores.
For Akiba. Not sure what to do with it, but there’s some really nice pieces of copper!
…also available by the kilo.