Treat mom to a special day by bringing her to LEGOLAND Discovery Center Westchester. In honor of Mother’s Day, moms go free with the purchase of a kids ticket on May 13 and 14. Moms are encouraged to come and have a great time building with their children and friends. Offer is valid with advance and walk-up ticket purchases. Purchase tickets online with promotional code 171019. LEGOLAND Discovery Center Westchester, 39 Fitzgerald Street, Yonkers, NY 10710. Starting at $15.95; children under 2 are FREE. Fri-Sat: 10am - 9pm; Sun - Thurs: 10am – 7pm. 866-243-0770. www.legolanddiscoverycenter.com/westchester.