Whataburger at 21710 Kuykendahl Road, Spring, will donate 20 percent of sales from 5-8 p.m. on Jan. 24 to Mahaffey Elementary School. In addition, the restaurant will have family-friendly activities, giveaways and a photo booth. On Jan. 16, Whataburger also donated 20 percent of sales from 5-8 p.m. to Mueller Elementary School.