Adafruit Industries Medium 16x32 RGB LED Matrix Panel - Micro Center

Adafruit Industries NeoPixel Digital RGB LED Strip - White 60 LED

Medium 16x32 RGB LED matrix panel - 6mm Pitch : ID 420 : $24.95

Micro Center - Adafruit Industries Mini 8x8 LED Matrix w/I2C

Mini USB Microphone - Adafruit - 3367

Overview, RGB LED Matrix Basics

Medium 16x32 RGB LED matrix panel - 6mm Pitch : ID 420 : $24.95

32x32 RGB LED Matrix Panel (4mm pitch) - RobotShop

RGB Matrix HAT + RTC for Raspberry Pi - Mini Kit. You can now create a dazzling display with your Raspberry Pi Model A+/B+/Pi 2 with the Adafruit RGB

Adafruit Industries RGB Matrix HAT + RTC for Raspberry Pi - Mini Kit

Adafruit Industries RGB Matrix HAT + RTC for Raspberry Pi - Mini

32x16 RGB LED Matrix Panel (6mm pitch) - RobotShop

BTF-LIGHTING WS2812B RGB 5050SMD Individually

Medium 16x32 RGB LED matrix panel - 6mm Pitch : ID 420 : $24.95