Adafruit Companion Parts Pack for Adventures in Raspberry Pi [ADA1775] 1 x Assembled Standard LCD 16x2 , 1 x 10K Potentiometer, 1 x Adafruit GPIO Reference Card for Raspberry Pi Model B+ 1 x Full Sized Breadboard, 5 x 12mm tactile buttons, 20 x Premium Male/Male Jumper Wires - 3", 20 x Premium Female/Male 'Extension' Jumper Wires - 6" 1x Diffused 10mm Red and Green LED's 5x 10K ohm resistors and 5x 330 ohm resitors