You figured your kiddo had an earthy side when he suggested using the swimming pool for worm composting.Before jumping into dirty work, start an ecofriendly routine with Duck Duck Green. The website run by two moms/sisters-in-law sells natural, safe loot for newborns and toddlers. They’ve whittled the field down to their absolute faves for feeding, baths, play, clothing, and bedtime — all of it toxin free and fair trade.Finds like BabyGanics’s Germinator alcohol-free hand sanitizer and Natursutten natural rubber pacis don’t turn up at your local drugstore. Gift boxes, which gather all the category bests in recycled packaging, make it easy to give the most coveted present at the shower (the Bum Bums kit featuring nontoxic stuff for tushes is a big awwww waiting to happen).A portion of every sale goes to nonprofit 1% for the Planet, which supports environmental groups worldwide — a cause you’ll happily worm your way into.Available online at duckduckgreen.com.CELEBRATEAcana Africa FestivalWhat: Traditional music and dance performances add some spice to the weekend. Why: Shimmy and shake to the infectious rhythms of Universal African Dance and Drum Ensemble.When: Sat., 2-8 p.m.Where: Penn’s Landing Great Plaza, S. Columbus Blvd., b/t Market & Walnut Sts. (215-922-2386). Admission is free.HARMONIZEXPN Kids Corner ConcertsWhat: Throw down a blanket in Azalea Meadow and catch a show. Why: Take a break from the kitchen — get dinner from the on-site cafe. When: Thurs., 6:30-7:30 p.m. (Also Aug. 12). Where: Morris Arboretum, 100 E. Northwestern Ave. (215-247-5777). To preorder dinner, e-mail firstname.lastname@example.org. Concert cost is $30 per carload.PLAYEl Día del NiñoWhat: Balloon animals, snacks, and crafts on the day dedicated just to kids. Why: Do your best Phillies impression with a swing at the pinata. When: Sun., noon-5 p.m.Where: Philadelphia’s Magic Gardens, 1020 South St. (215-733-0390). Admission is free.Photo: Courtesy of Duck Duck GreenUp to 70% off Soixante NeufDesigner Joie Jager loves making her feminine, worldly jewelry as much as you’ll love wearing it. Scoop up her gems while they’re up to 70% off on Swirl.