The blocks,
This photo shows the typical components of the component block. Two neodymium magnets for each of the two or three connect faces. North/South polarity on each face. Single magnet on bottom for (+) ground plane. Ring lug associated with each magnet for electrical contact between bricks. Component and lid.
This photo shows component soldered to ring terminals which are part of the magnet assembly. Repeat for all components. Ring lug added to bottom magnet in cases of need for ground connection.