Adafruit Gemma Sequin Starter Pack is a great kit to make your wearables glow. This GEMMA parts pack makes it easy to add light to your wearables. It comes with thread, needles, a holder for 2 x CR2032 coin cell batteries, a GEMMA sewable microcontroller, and warm white Adafruit LED Sequins. This pack is perfect for adding a little sparkle to any garment or accessory, and is a great way to get started sewing electronics.