This is the same product as the . The difference is this version comes in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap. A is available! Project description, more information and ordering can be found at https://www.sparkfun.com/products/9900 Stackable Headers 6-pin: http://www.sparkfun.com/commerce/product_info.php?products_id=9280 Stackable Headers 8-pin: http://www.sparkfun.com/commerce/product_info.php?products_id=9279 5mm Basic Yellow LEDs: http://www.sparkfun.com/commerce/product_info.php?products_id=532 330 Ohm resistors: http://www.sparkfun.com/commerce/product_info.php?products_id=8377 10k resistor: http://www.sparkfun.com/commerce/product_info.php?products_id=8374 Momentary push buttons: http://www.sparkfun.com/commerce/product_info.php?products_id=97 0.1uF Ceramic Capacitors: http://www.sparkfun.com/commerce/product_info.php?products_id=8375 ProtoShield Quickstart Guide: http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=191 Assembly Instructions: http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=181 ProtoShield Schematic: http://www.sparkfun.com/datasheets/DevTools/Arduino/ProtoShield-v25.pdf Arduino Home Page: http://arduino.cc Assembly Tutorial: http://www.atomicsalad.com/archive/2010/02/02/tutorial_sparkfun_protoshield_for_arduino_assembly_updated.php