CIRCUIT BLOX: BYO ECO FIDGET LIGHTS - 7 PROJECTS - Use the hand crank to generate electricity and light the three LEDs! Learn about polarity and see what happens when you turn the crank in either direction. Grades 1-3 STEM Basics Curriculum addresses NGSS requirements Includes one Circuit Blox Eco Fidget Lights product Use in classroom or with virtual e-learning 41 page Teacher Guide with Curriculum Lessons, Quizzes and Quiz Answer sheet Instruction sheet included 7 total pieces Build 7 projects Includes three (3) LEDs - Heart (red), Star (blue), and Blue/Red Bi-Directional An excellent introduction to Green Energy Compatible with other toy brick sets No batteries required! This kit provides hours of fun and educational play. The colorful building blocks contain electronic components such as a battery module, LEDs, hand crank and a generator. Build 7 different 3D circuits that teach STEM. Turn the hand crank to make the Heart LED light Red, or Star LED light Blue.