Displays, LEDs and lights
Adafruit 1.8" 18-bit Color TFT Shield for Arduino with MicroSD and Joystick
SparkFun 7-Segment Serial Display - Red is a tiny device that is easy to control individually.
HDMI 7" 800x480 Display Backpack - With Touchscreen can be easily mounted available in two versions with and without toouch
Circuit Playground - Developer Edition is a combination of sensors and Led's that helps you with all your projects involving Arduino.
Fiber Optic Fabric - Black is more of an illuminating fibre that can hep in your wearables project.
Raspberry Pi touchscreen 7"is handy,user friendly device functioning as a display screen and a tablet for IOT applications.
HDMI Plug Breakout Board is a light weight ,less expensive breakout board.
TFP401 HDMI/DVI Decoder to 40-Pin TTL Breakout - With Touch is a mini version decoder for any kind of video.
NeoPixel Ring - 16 x 5050 RGB LED with Integrated Drivers works best as a wearable with a pack of 16 LED'S in a circular pattern.
Flexible 8x32 NeoPixel RGB LED Matrix is a malleable with 256 inbuilt LED's.
NeoPixel Ring - 12 x 5050 RGB LED with Integrated Drivers is a ring of 12 LED'S controlled by one single micro-controller.
WS2812B RGB Addressable LED Strip comes in a lenth of 1m and contains 30 LED's