Today

Family Science Day

Science experiments for ages 12 and younger and information from scientists about their research at Seattle Aquarium, 10 a.m.-3 p.m., The Seattle Aquarium, 1483 Alaskan Way, Seattle; included with aquarium admission, $5-$12. 206-386-4300.

Polish Spring Bazaar

Arts, crafts, bake sale and deli with Polish specialties, noon-7 p.m., Polish Home Association, 1714 18th Ave., Seattle. 206-322-3020.

Lakeside School Rummage Sale

Antiques, art, collectibles, clothing, jewelry, small appliances, furniture, sporting goods, toys, hardware, garden items, books, CDs, videos, DVDs, electronics, 9 a.m.-4 p.m. today, 9 a.m.-1 p.m. tomorrow, Sand Point Magnuson Park, 7400 Sand Point Way N.E., Seattle. 206-368-3618 or www.lakesideschool.org.

Tomorrow

March Madness Skateboards

Divisions for ages 11 and younger, 12-15 and 16 and older, 10 a.m., Inner Space Indoor Skatepark, 3506 ½ Stone Way N., Seattle; $15-$20. 206-634-9090 or www.innerspaceskateboarding.com.

Community Purim Carnival

Celebrate the Jewish holiday of Purim by dressing in costume for carnival games, entertainment, food, vendors and costume pageant, noon-3 p.m., Stroum Jewish Community Center, 3801 E. Mercer Way, Mercer Island; free admission. 206-232-7115.

Purim Bazaar

Sephardic breakfast, bake sale, children's games and raffle, 10 a.m.-4 p.m., Congregation Ezra Bessaroth, 5217 S. Brandon St., Seattle. 206-722-5500.

Whirligig

Indoor carnival for kids with seven super-size inflatable rides and entertainment, 11 a.m.-4 p.m. Monday-Thursday, 11 a.m.-6 p.m. Friday-Sunday, March 24 through April 17, Seattle Center House, Seattle; $1.25/per ride, $6.50/all day pass, $4/toddler pass ages 3 and younger, rides free on Thursdays; includes rides inside Center House only. 206-684-7200 or www.seattlecenter.com.

Tools for Parents

"Kids, Parents and Power Struggles: Winning for a Lifetime" program on teaching children essential life skills by author Mary Sheedy Kurcinka, 7-9 p.m., Kirkland Performance Center, 350 Kirkland Ave., Kirkland; $12/advance, $15/at the door. 206-441-0191 or www.seattleschild.com.