Blowing your tax refund on lottery tickets is about the worst way to spend your annual windfall. But that doesn’t mean you can’t have any fun with the money you overpaid to Uncle Sam. The financially sound andfun thing is to save at least some of your refund and enter theSaveYourRefund contest.

Doorways to Dreams, the sponsor of the SaveYourRefund campaign, is a nonprofit financial innovation lab in Boston that develops strategies to encourage people to save. By the end of the tax season, D2D will have given out $35,000 in rewards to savers. [read more here]