The Westbury PAL will hold open registration for all spring activities for girls and boys of all ages every Tuesday night from 7 to 9 p.m. at the Powell's Lane School as well as at the site holding the specific activity. All programs run 6 to 8 weeks and activities are as follows: Begins late April/early May. For more information contact the PAL office at 333-9600. Program for ages 5-7 will be Mondays and Wednesdays from 6-7:30 p.m. at the Westbury Middle School Track. Program includes T-shirt, pizza party, certificate, and trophy. For more information, contact Brenda Brown at 456-6552. Grades 8 and up on Wednesdays in the Drexel Avenue School gym and Thursdays at the Westbury Sports Complex on Post Avenue. Both days from 7-8:30 p.m. Contact Mike Goldsmith at (917) 673-0155 for more information. Tuesday nights in the Powell's Lane School gym from 7-7:45 p.m. for grades 1-3 and from 7:45 to 8:45 for grades 4-6. Contact Fred Dunwoody at 815-3244 for additional information. At the Powell's Lane School on Thursdays. Tiny Tigers (ages 5-7) at 6:30 p.m.; Dragons (ages 8-12) at 7 p.m.; and Teens (ages 13-18) at 7 p.m. Contact John Grima at 849-3197 for more information. Pre-registration for spring season, which will take place at Sweet Hills Stables in Melville. For more information contact the PAL office at 333-9600