Sprint $10,000 Back to School Sweepstakes and Instant Win Game (2,495 Winners!) Posted On August 7, 2019 Enter daily for your chance to win the Sprint $10,000 Back to School Sweepstakes! Ends September 5, 2019. Good Luck! Instant Win Game Prizes (2,495): $5 Starbucks Gift Card (475 winners) $3 Cold Stone Creamery® e-Gift Card (2000 winners) Harman-Kardon Astra Speaker (20 winners) Sweepstakes Prize (1): The sweepstakes winner will receive a check for $10,000, and a Samsung Galaxy S10+ device.