Introducing NAND, NOR, and XOR gates! With littleBits logic modules, you can program in block form. The logic modules create rules for your circuit to follow, giving you more ability to create interesting and complex interactions. New to logic, fear not! Once you learn a few basic rules, a whole new world of circuits opens up. Learn how to make a Jeopardy-style lockout buzzer, an electronic combination lock, a 21st century fortune-telling device, and more!