Improved Accessibility Circuit Blocks

These are a version of a classic learning aid called circuit blocks. Traditional circuit blocks are not terribly accessible, as they're usually just blocks of wood with nails in them that have to be connected by alligator clips. These circuit blocks are roughly the same shape as the silhouette of their schematic symbols, so can be recognizable to visually impaired students with the use of embossed circuit diagrams. These blocks are also meant to be used with a simple magnetic system, greatly dec