Everyone needs to be on board when it comes to potty training. The Potty Train authors David Hochman and Ruth Kennison share tips on getting the job done right — and fast. Don’t Force the Issue If he isn’t telling you he needs to go or asking for dirty diapers to be changed, he’s probably not ready. Many show interest by age 2, but some are 3 or older before they hit the john. Let Her Sit on It To get her comfortable, have your child sit on the toilet seat a few minutes each day even if nothing happens. Bribe Him Wrap a bunch of tiny presents as incentives. Some parents get a good effect with mere praise, but glow sticks and yo-yos work wonders. Go Native Sure it’s a gamble, but having her play naked for a few hours can force her to scramble when nature calls. Just make sure she knows where the potty is and how to use it. Leaks Happen Stay calm if he gets upset after an accident. Reassure him (as you reassure yourself) that no kid has ever gone to college in diapers. Need more help with bathroom duty? Check out our other local editions. WATCH Make a Little Room for Me What: The Paper Bag Players amaze with a wacky bicycle race and their signature flying-paint finale. Why: Take a wild ride. When: Sat., 11 a.m. & 2 p.m.; Sun., 3 p.m. Where: Symphony Space, 2537 Broadway, at 95th St. Tickets online at symphonyspace.org or 212-864-5400. HEAR Robbert Bobbert & the Bubble Machine What: The Apples in Stereo’s Robert Schneider performs indie-rock songs for all ages. Why: It’s musical mayhem. When: Sun., 2 p.m. Where: The Bell House, 149 7th St., b/t Second & Third Aves., Gowanus (718-643-6510). Tickets online at thebellhouseny.com. SEE AirPlay What: Interactive exhibits let kids learn about the movement of air through cannons, juggling, mazes, and more. Why: It’s a breeze. When: Thru May 10. Check online for times. Where: New York Hall of Science, 47-01 111th St., nr. 49th Ave., Queens (718-699-0005).