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The number module displays information about the signal it’s receiving from your other modules. It features a two-digit, seven-segment LED display.

The buzzer Bit is just what it sounds like: it makes a noise that you just can't ignore. It buzzes whenever it gets an ON signal. Try using it to make your own doorbell or alarm!

The button Bit is a classic: big, round and springy for comfortable pressing!

The sequencer allows you to connect up to eight outputs and control them in sequential patterns. Sequences that would take as long as 4 days to program without littleBits will only take you seconds!

The codeBit levels up your littleBits circuits by allowing you to program how your Bits work.

The OR Bit is a logic gate with two inputs. Just like its name, if input one OR input two is receiving an ON signal, then it sends an ON signal from its output.

The sound trigger listens to the noise level in your room, and sends an ON signal when it gets over a certain level. You can make that threshold louder or softer using the included screwdriver. We like to use it with an LED to light up your room when you snap your fingers.

The perf module is a quick and easy way to prototype a circuit for the littleBits library.

Getting Started with littleBits by Ayah Bdeir and Matt Richardson is a comprehensive guide to littleBits Electronics

The XOR module is a logic gate with two inputs. Think of it as “exclusive or,” meaning that it sends an on signal when it’s receiving an on signal exclusively from one input or the other, but not both.

The secret to learning? Make. It. Fun. So this kit's all about learning to build & code through games. With games, students embrace failure, make their own rules, think critically, and collaborate.

Ready to incorporate a carrot, your sunglasses, or great-grandma into your littleBits creations? Now you can use everyday objects to trigger your Bits and control cursors on your computer’s keyboard, or even control your computer with Bits.

The AND Bit is a logic gate with two inputs. Just like its name implies, it sends an ON signal from its output only when input one AND input two are both receiving an ON signal.

The littleBits delay module takes incoming audio and repeats it, like an echo. It has two knobs: "time", which sets the delay length between a sound and its repetition, and "feedback", which controls how many times the sound repeats. Delays can be long and spacey, like shouting into the Grand Canyon, or loud and crazy. This Bits module will play forever if you turn up the Feedback knob all the way. [You can also shift the pitch of a sound by turning the "time" control while a sound is repeating.]

The motion trigger is similar to the sensor on an automatic door: when someone is moving nearby, it sends an ON signal to the following Bits. It's very sensitive, so don't breathe unless you want to be detected! Try it with some LEDs to create a security light!

The Branch Bit gives you more options for connecting your Bits: it lets you connect the output of a single Bit to as many as three others, oriented in different directions. Use it when you want to trigger light, sound and motion at the same time.

The remote trigger lets you use a common remote control with your modules. Make your littleBits circuit and point your remote control at the remote trigger’s sensor. Then, press any button on your remote control to activate the module. The remote trigger will work with almost any button on a remote that uses infrared light to send signals.

The timeout Bit is a settable timer.

The pulse Bit is like an electronic heartbeat. It sends out a stream of short ON signals, and you can make the speed of the pulses faster or slower using the included screwdriver. It's great for making LEDs blink!