Sparks will fly and imaginations will soar with the E-Blox Circuit Blox Lights Starter, Circuit Board Building Blocks Classroom Set, 128 Pieces! This innovative building set combines the fun of construction with practical lessons in electricity and circuits. Kids can create their own illuminated structures that respond to sound or music, making learning both interactive and enjoyable. The set is fully compatible with other major brick building sets, allowing for endless possibilities in building and creativity.