The SainSmart MEGA 2560 Board is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

The SainSmart LCD Keypad Shield includes a 16x2 HD44780 White on Blue LCD module and a 5 push button keypad for menu selection and user interface programming. Fully assembled. On-line Arduino tutorial and example code. Compatible with Arduino Uno, Mega, Duemilanove. Uses digital pins 4 - 10, and analog pin 0.

The SainSmart Prototyping Prototype Shield is a great kit to new Arduino users and geeks who have sparkling ideas. You can choose to do soldering in the soldering area. You can also make good use of the mini breadboard which can save your time of soldering. Try any circuit you want to the Arduino. You also can choose to use your own breadboard.

NOTE: The link is the instructions about keypad shield.
https://s3-ap-northeast-1.amazonaws.com/sain-amzn/20/20-011-901/LCD1602.rar

Each Set of Package Contain
1 SainSmart MEGA 2560 Board
1 SainSmart LCD Keypad Shield
1 SainSmart Prototype Shield
1 Mini Breadboard
65*Jumper Cable