This product includes one E-Blox Circuit Blox BYO Flying Saucer set which provides brick-based parts with pin connectors and embedded electronics so you can build 3D circuits. Build a flying saucer circuit or a color-changing fiber optic tree. This set's 45-page animated lesson-based curriculum teaches Electricity and Circuits, Motors and Aerodynamics, Light, Switches, and Telecommunications. Teacher guides and quizzes are also included. All parts are directly compatible with other major brick brands. Designed for grades 1-3, this set is perfect for teaching STEM basics.