All Areas

Pump It Up Party - Let your kids jump away all that energy on one of the many inflatables here during Pop-in Play Time or for a special party. See website for party packages and drop-in times. 201 Mendell St., San Francisco, 415-375-9596; 1309 Elmer St., Belmont, 650-352-5867. 1163 and 1165 N. Fair Oaks Ave., Sunnyvale, 408-747-1740; 164 N. Abel St., Milpitas, 408-400-9663; 285 Digital Dr., Morgan Hill, 408-778-4386; pumpitupparty.com.

Marin

CalStar Gymnastics - Power Play programs offer parent-supervised gymnastics play for kids under age 5 and a drop-and-go program for kids 5 and older. Call or visit website for schedule and details. 70 Digital Dr., Suite 3, Novato. 415-382-7827. calstar.info.

Jump ‘n’ Bounce - This indoor inflatable play zone is a perfect choice for birthday parties. 718 San Anselmo Ave., San Anselmo. 415-459-8978.

Play-Well TEKnologies - Offers drop-in opportunities and fun-filled engineering activities for kids. 216 Greenfield Ave., San Anselmo. 415-460-5210. play-well.org.

San Rafael Gymnastics - Drop-in gymnastics fun is available to kids 18 months-6 years on Saturdays from 9:30-10:30am and 6 years and older Fridays from 6:30-9:30pm. 129 Carlos Dr., San Rafael. 415-491-1290. srgym.com.

San Francisco

House of Air - This indoor trampoline park is located in a historic airplane hanger and offers jump time, aerial and physical training, trampoline dodge ball and basketball, and an exhilarating birthday venue. The Presidio, 926 Mason St. 415-345-9675. houseofairsf.com.

Peekadoodle Kids Club - Kids can blow off steam in an imaginative play area or, for an additional cost, a variety of classes. Parents, on the other hand, can enjoy circuit training, a fitness center or a quiet lounge. Closed Sun. 900 North Point St., Suite F100. 415-440-7335. peekadoodlekidsclub.com.

Recess Urban Recreation - For kids, there’s a make-believe play space, classes, events and birthday party rentals. For parents, there are fitness and wellness classes and a café. Closed Wed. 470 Carolina St. 415-701-7529. recessurbanrecreation.com.

Seesaw - This café, play studio and boutique inspire curiosity, creativity and connection. Closed Mon. 600-A Octavia St. 415-553-8070. seesawsf.com.

The Village Well - Provides two floors of activities, crafts, circle time and other activities. See website for schedule. 2325 Union St. 415-921-1850. tvwsf.org.

Peninsula

Daly City Party Playhouse - A popular birthday party location, kids can explore the three-story play structure and its zip lines, bounce houses and dragon slide. Adults accompanying a child play for free, or can relax in front of the TV in the Parents’ Lounge. Closed Mon. 56 Hill St., Daly City. 650-756-7529. mypartyplayhouse.com.

Hop ‘n’ Play - A walk-in children’s playground facility and party facility in the Tanforan Shopping Center. 1150 El Camino Real, San Bruno. 650-590-0929. hopnplay.com.

Junior Gym - A variety of classes focusing on gymnastics, tumbling and fitness are offered for children ages 6 months to 6 years old. There is also an open gym for members and nonmembers for an hour twice a day. 101 S B St., San Mateo. 650-548-9901. juniorgym.com.

Safari Run - Don’t forget to bring socks when you head out to this animal-themed play zone. Fitness classes are also available for kids ages 3 to 13. 341 N. Amphlett Blvd, San Mateo. 650-342-1977. safarirun.com.

Contra Costa County

The Jungle - The play area, featuring tunnels, slides, ladders and ball pits, is sure to be a hit with energetic kids on a rainy day. Children under age 3 can enjoy a more low-key “Toddler Village,” while older kids can win tickets in the arcade area to redeem for prizes. 1975 Diamond Blvd., Concord. 925-687-4386. thejunglefun.com.

Qzar - Offers laser tag, and video and redemption games. 2295 Willow Pass Road, Concord. 925-521-9663. q-zar.com.

Alameda County

Habitot Children’s Museum - Features hands-on exhibits and drop-in art activities for infants, toddlers, preschoolers and their families. 2065 Kittredge St., Berkeley. 510-647-1111. habitot.org.

Museum of Children’s Art (MOCHA) - Take your young artists to one of the center’s themed drop-in studios, where they can create a masterpiece using macaroni, beans, clay, paint and glitter. Afterwards, view the exhibit in the main gallery, featuring work by young artists from across the country. Closed Mon. 538 Ninth St., Oakland. 510-465-8770. mocha.org.

Play Café - Features pretend play areas, a ball pit, dollhouses, Thomas trains and a café with adult and kid-friendly menu selections. Closed Sun.  4400 Keller Ave., Ste. 410, Oakland. 510-638-3712. playcafellc.com.

Play-Well TEKnologies - Offers drop-in opportunities and fun-filled engineering activities for kids. See website for schedule. 5737 Valley Ave., Suite B, Pleasanton. 925-484-1547. play-well.org.

SadieDey’s Café - Offers children a 1,000-square-foot play structure, while parents can enjoy café fare and hip music. Closed Saturdays for private events.  4210 Telegraph Ave., Oakland. 510-601-7378. sadiedeyscafe.com.

Studio Grow - Between the art and dance/music rooms, reading corner, Legos and gymboree room, there’s something for every kid. Closed Sun. 1235 10th St., Berkeley, 510-526-9888. 1231 Diamond Way, Concord, 925-798-5850. studiogrow.com.

Super Franks - Video and redemption games, a dodge ball arena and miniature golf appeal to older kids, while children 5 and younger enjoy “Taught Town” with playhouses, a televised stage and a climbing structure. 5341 Owens Court, Pleasanton. 925-271-5880. superfranks.com.

Wee Play - Program includes arts and crafts, song and music time, plus developmental and exploratory play. Mondays, Wednesdays and Fridays. Veteran’s Building, 2203 Central Ave., Alameda. ci.alameda.ca.us.

Zocalo Coffeehouse - While kids romp in the large play area and enjoy an assortment of classes, parents enjoy in-house roasted coffee, specialty teas and free Wi-Fi. 645 Bancroft, San Leandro. 510-569-0102. zocalocoffeehouse.com.

Silicon Valley

The Sensation Nation – Offers recreational, athletic, therapeutic and educational opportunities for kids with special needs. Locations: San Jose, Fremont, Mountain View, Pleasanton and Sunnyvale (pool). 408-292-5290. thesensationnation.com.

U-Me – A new creative play space featuring classes and free areas for kids, combined with an adult exercise facility and organic café. 9am-5pm Monday-Friday, 10am-4pm Saturday-Sunday. 3355 Edison Way, Menlo Park. 650-257-5711. u-meplace.com.

Parents Place – Explore this entertaining playroom during free play time. Ages 0-5. 10:30am-noon every Tuesday and Thursday, and 3:30-5pm every Wednesday. Twin play day is 9:30am every 1st Friday. 200 Channing Ave., Palo Alto. parentsplaceonline.org.

My Gym – Drop in and try out any of My Gym’s organized exercise classes on a space-available basis. Non-members can try one class for free. 1262 S. Bascom Ave., San Jose. 408-279-9700; 2655 Middlefield Road, Palo Alto. my-gym.com.

Planet Granite – Kids try their skills at this rock-climbing gym during Parents Night Out. Ages 6-13. 6-8:30pm 2nd and 4th Friday of every month. 815 Stewart Dr., Sunnyvale. 408-991-9090. planetgranite.com.

Great Jump Sports – A sparkling new indoor trampoline arena with snack bar. 1-8pm Monday and Wednesday, 2-8pm Tuesday and Thursday, 2-11pm Friday, 11am-11pm Saturday and 11am-10pm Sunday with extended holiday hours. 616 S. Main St., off Great Mall Pkwy., Milpitas. 408-957-8915. greatjumpsports.com.

The Little Gym – Instructors guide kids through physical activities, music and fun, while mom and dad enjoy a night out on certain Friday and Saturday nights. Ages 3-12. 1375 Blossom Hill Road, Ste. 45, San Jose. 408-723-7222. tlgssanjoseca.com; 309 S. Abbott Ave., Milpitas. 408-262-3333. tlgmilpitasca.com; 781 E. El Camino Real, Sunnyvale. 408-739-7222. tlgsunnyvaleca.com.

California Sports Centers – These gymnastics and dance centers in San Jose welcome kids up to age 6 for an hour of open gymnastics and active exploration. Open explore takes place: Tuesday-Friday at California Kids Sports Center, 100 Great Oaks Blvd. 408-360-9400; Tuesday-Friday at 336 Race St. 408-280-5437; Monday-Friday at 832 Malone Rd. 408-269-5437; and Monday-Friday at 1975 Cambrianna Dr. 408-377-1005. calsportscenter.com.

The Jungle and Jungle Island – Jungle-themed play places with climbing tubes, ball pits, arcade games and café. Ages 0-12. 10am-8:30pm Sunday-Thursday, and 10am-9:30pm Friday-Saturday. The Jungle, 950 El Paseo de Saratoga, San Jose. 408-866-4386. thejunglefun.com; Jungle Island, 5401 Camden Ave., San Jose. 408-448-4386. thejungleisland.com.

KidsPark – An hourly childcare center that offers games, crafts, snacks and sensory exploration. Ages 2-11. 2858 Stevens Creek Blvd., San Jose (near Valley Fair Mall.) 408-985-2599; 5440 Thornwood Dr., San Jose (near Oakridge Mall.) 408-281-8880. kidspark.com.

LOL Parties – Bounce off the walls in a variety of inflatables for up to 2 hours. Ages 18 months-12 years. 9:30am-2pm and 6:30-9pm Monday-Thursday, 9:30am-2pm and 5-9:30pm Friday, and 9:30am-1pm and 5pm-close Saturday-Sunday. Silver Creek Sportsplex, 800 Embedded Way, San Jose. 408-224-8774. gotoplex.com.