Family calendar

Today

Afternoons in the Greenhouse - Presented by YMCA of the Inland Northwest/The Green Way Program. Children in first grade and older will learn about growing plants, make crafts and explore along a nature trail. 4:15-5 p.m. Pre-registration is required. Valley YMCA Greenhouse, 2421 N. Discovery Place, Spokane Valley. $15/session. (509) 777-9622, ext. 206.

Make Waves in the Kitchen (Valley) - Part of Summer Reading 2010. Jonathan Holden, executive chef from Spencer’s will show teens how to create tasty and healthy snacks. 1 p.m. Spokane Valley Library, 12004 E. Main Ave., Spokane Valley. Free. (509) 893-8400.

It’s a Mystery (Otis Orchards) - For children in grades K-5. Part of Summer Reading 2010. 2 p.m. Otis Orchards Library, 22324 E. Wellesley Ave., Otis Orchards. Free. (509) 893-8390.

Liberty Lake Days 2010 - Car Cruise for classics and collectibles from 7-9 p.m., register at 6:30 p.m. at Meadowwood Lane at Mission Avenue. (509) 755-6708.

Liberty Lake movie - Free showing of “National Treasure,” hosted by the Friends of Pavillion Park. The movie starts at dusk. Half Moon Park, Meyers and Indiana.

SpoCon Science Fiction & Fantasy Convention - SpoCon is Spokane’s local nonprofit Sci-Fi and Fantasy Convention. A full-spectrum convention, SpoCon offers a range of activities from literary discussions and table-top gaming to computer gaming and everything in-between. Proceeds from the convention are donated to local school libraries to promote reading of Science Fiction and Fantasy literature. 3-5 p.m. 1161 N. Astor St. $35/general, free/age 12 and younger if accompanied by an adult. Continues Saturday and Sunday. (509) 362-2931.

Late Night at the Library (Valley) - For children in grades 3-5. Enjoy crafts, games, snacks, songs, stories and more. Bring old clothes you can get messy in. Pre-registration and a signed permission slip are required. 7 p.m. Spokane Valley Library, 12004 E. Main Ave., Spokane Valley. Free. (509) 893-8400.

Saturday

Liberty Lake Days 2010 - Carnival games from 11 a.m.-4 p.m., bed races at 9 a.m., a car show open to all classic or collectible vehicles, valve cover races at noon, races, pie-eating contest, egg toss, music, displays and more. A parking shuttle will be available from Liberty Lake Elementary School. (509) 755-6708.

Free Outdoor Movies - Liberty Lake - “Mary Poppins,” Rated G. Movies shown at dusk. Pavillion Park, Country Vista Drive and Molter Road, Liberty Lake. Free. (509) 755-6726.

Shop Til You Rock - Music-inspired mall tour features a performance by Number Five is Alive, plus visit activity stations designed for teens. There also will be games, contests and trivia to win prizes. 1-6 p.m. Spokane Valley Mall, 14700 E. Indiana Ave., Spokane Valley. Free. (509) 926-3700.

Sunday

Spokane Valley Elks Classic Car Show - Fifth annual event hosted by the Elks Lodge to benefit the Washington Elks therapy program for children. Activities will include music, food, awards, and more. Register 9 a.m.-11 a.m.; Show and Shine, 11 a.m.-noon; judging will take place at noon. Lunch available from 11 a.m.-1 p.m. 2605 N. Robie Road, Spokane Valley. $7/lunch. (509) 928-2818.

Free Family Film Festival - Spokane Valley - Tuesday-Thursday: “Jimmy Neutron: Boy Genius” (G) and “Monsters vs. Aliens” (PG). Shows at 10 a.m. (two different theaters). Spokane Valley Cinemas, 14760 E. Indiana Ave., Spokane Valley. Free. (509) 922-2590.