Electricity & Circuit Kit - 20 Modules, Set of 4Perfect for group learning and class wide STEM exploration, the Electricity & Circuit Kit Set of 4 expands the possibilities of hands on science education. This classroom pack includes four complete Gigo Learning Lab Electricity & Circuit Kits, allowing multiple groups to simultaneously explore electrical concepts such as current flow, resistance, and circuit construction. Each set includes modular building blocks, student and teacher workbooks, and