Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Green is an interesting LED display to make your project a visual treat.
Adafruit 1.8" 18-bit Color TFT Shield for Arduino with MicroSD and Joystick
The Raspberry Pi3 case comes with an attractive design,detatchable parts and a sturdy structure.
SparkFun 7-Segment Serial Display - Red is a tiny device that is easy to control individually.
Its a mini panel-mountable HDMI monitor with a built-in touchscreen! So small and simple, you can use this display with any computer that has HDMI output, and the shape makes it easy to attach to a case or rail.
This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.1W channels into 4 ohm impedance speakers (@ 10% THD).
Circuit Playground - Developer Edition is a combination of sensors and Led's that helps you with all your projects involving Arduino.
Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash is a one solution for all your audio needs.
Thermocouple Type-K - Glass Braid Insulated (Bare Wire) is of 36 inches and used with the thermocouple.
Super Capacitor - 10F/2.5V is a powerful solution to charge up your system.
This black fiber optic fabric is a cool and unique way to add some shine to your e-textiles project.
Stereo audio jacks are best used as headphone jacks and with stereo systems.