If you’re not pushed over the bad-mommy edge by one glaring headline (“Study Shows Kids Need Extra Vitamin D!”), another will come and take you down (“Omega-3 Fatty Acids Are Essential to Brain Development!”).Pull yourself up with the help of SmartyPants, an all-in-one vitamin that takes the busywork out of raising healthy kids.Each gummy supplement is fortified with Omega-3s from ecofriendly fish sources (no need to worry about mercury) and 100 percent of the recommended amount of vitamin D3 (take that, sunblock). And instead of high-fructose corn syrup, they have the real stuff — just five grams of organic cane sugar per serving.Plus, for every bottle you buy, the company gives a matching nutrient grant to a child in need through the nonprofit Vitamin Angels.Making way for a new headline: “Mom Helps the World While Raising Healthy Kids!”Available online at wearesmartypants.com, $22.Our No. 1 resolution in 2011: to help you keep your family healthy, active, and organized. Find out how.CHILL OUTIceWhat: A winter wonderland made with nearly 2 million pounds of the shivery stuff. Why: Snow queens love whooshing down the slippery slide. When: Mon.-Thurs., 10 a.m.-9 p.m.; Fri., 10 a.m.-10 p.m.; Sat. & Sun., 9 a.m.-10 p.m.Where: Gaylord National Hotel & Convention Center, 201 Waterfront St., National Harbor (301-965-2000). Tickets at 301-965-4000 or online at gaylordnationaltickets.com. Adults and teens, $24-$29; children 4-12, $13-$18; under 4, free.WHIZZZModel Airplane WorkshopWhat: Create a rubber band-propelled plane and then send it for a spin in the Great Hall (ages 8 and up). Why: Guaranteed to go faster than the puddle jumper to Grandma’s last week. When: Sun., 9-11 a.m. Where: National Building Museum, 401 F St. NW, b/t 4th & 5th Sts. (202-272-2448). Register (by Thurs.) online at go.nbm.org. Adults, free; children, $14.EXPLORETavern ToddlersWhat: Playtime and an ever-changing lineup of crafts in the ballroom. Why: It’s never too early to learn about history. When: Thru Apr. 25. Mon., 10:30 a.m.-noon. Where: Gadsby’s Tavern Museum, 134 N. Royal St., Alexandria (703-746-4242). Group of three, $7; additional adults and children, $3.Photo: Courtesy of Smarty PantsDenim DazeZip into a new pair (or two) without going broke in the New Year, while jeans from Current/Elliott, Dégaine, Genetic, Habitual, MiH, Paige, and more are all under $69 on our sample sale site.