CHENBO TM Prototyping Prototype Shield ProtoS + Mini Breadboard + Free Jumper Cable for Arduino UNO 5V, GND, and Raw pins are exposed as well Breadboard Jump Wires: Self-adhesive backing to stick on the Arduino Protoytpe Shield Prototype Shield: Access to a Blue SMiRF socket for wireless communication between Arduinos 2 general LEDs;1 general push button switch;1 Arduino reset switch brought to top level The mini breadboard has 170 holes