Fixed abstract circuit teaching aids hinder middle school students’ electricity learning. Passive observation fails to support hands-on assembly, making current flow and series-parallel differences hard to comprehend. Average electricity score loss rate reaches 35%, with 80% students reporting confusing principles. Vocational electrical training also faces theory-practice disconnection and inadequate operational skills. Interactive visual practical teaching becomes mainstream, leaving traditional aids outdated.

Composed of independent deformable Conductive SR modules with built-in circuits and lights, the teaching tool simplifies electricity learning. Modules deform under heating or 5V safe current and assemble freely into series, parallel and hybrid circuits with easy repeated disassembly. Illuminated modules visualize current paths: sequential lighting represents single series circuit path, and simultaneous branch lighting displays parallel multi-path flow, turning abstract theories into intuitive visuals.

Class participation rises from 40% to 90%, and average test scores increase by 28%. Vocational students gain stronger practical ability, cutting post-employment operational error rate by 35%. Students transform from passive observers to active creators, deepening understanding and innovation capacity. Reusable non-toxic modules adapt to classroom demonstrations, group experiments and popular science activities. Primary, secondary, vocational schools and science museums can revitalize electricity teaching. Teaching equipment purchase and science popularization customization promote educational innovation.