CDW Government (CDW-G) and Discovery Education’s 2012 Win a Wireless Lab Sweepstakes will award three grand-prize 21st-century classroom technology packages, which will include 20 tablet or notebook computers, an interactive whiteboard, student response system, printer, document camera and $5,000 Discovery Education digital media grant. The total value of the wireless lab is $40,000. All K–12 educators employed at accredited public, private or parochial schools in the United States are eligible to enter the sweepstakes.