When you’re 60 years old and have reflux, the doctor prescribes Nexium. When you’re 60 days old and have reflux, you puke.If trails of spit-up follow you wherever you go, keep things tidy with Petites Frites burp cloths and bibs.These wonders are more than just your average mess-catchers. Made from a blend of organic cotton and lyocell (a sustainable textile), the custom combo is highly absorbent and quick to dry. Plus, the double-sided knit, in primary colors and earth tones, feels plush to the touch — be it baby’s chin or your shoulder.Teether blankies are made from the same thirsty material and embellished with natural maple wood rings and hand-crocheted shapes for safe gnawing and excessive drooling.And that doesn’t bite.Available online at petitesfrites.com, $12-$84.Photo: Courtesy of Petites Frites CREATEKidsJamzWhat: Mini Manets grab easels and add color to canvases (ages 3 and up). Why: ArtJamz Creative Enablers get the fun flowing. When: Sat., noon-3 p.m.Where: King Street Blues, Crystal City Shops, 1750 Crystal Dr., Arlington (703-415-2583). Register online at eventbrite.com. Adults and children, $25; nonparticipating adults, free.HOPReptile and Amphibian DayWhat: Visit Oleander the albino alligator, meet a python face to face, and make crafts. Why: Find out what tickles their taste buds at the bug buffet. When: Sat., noon-4 p.m.Where: National Aquarium, Dept. of Commerce Bldg., Constitution Ave. NW, at 14th St. (202-482-2825). Adults and children 11 and up, $10; children ages 3-10, $5; under 3, free.SHAZAMThe Great ZucchiniWhat: The audience-pleasing magician’s performances get them laughing every time.Why: With more than a decade of performing, he undoubtedly has a few tricks up his sleeve. When: Sat., 10 a.m.Where: Avalon Theatre, 5612 Connecticut Ave. NW, b/t Northampton & McKinley Sts. (202-966-6000). Tickets online at boxoffice.printtixusa.com. Adults and children, $7.50.