It's your last chance to see All-American at the Lincoln Center Theater this weekend. For tweens and up, this play tells the tale of twin brother and sister who struggle for the spotlight in their suburban family. (Friday-Saturday)

The TADA! Youth Theater resident ensemble will perform musical numbers from its upcoming season in a special Sneak Peek revue. (Friday-Sunday)

Free face painting awaits tots at the Museum of Motherhood's Holiday Fair. The weekend will feature Stella & Dot, artist Jo Jayson plus jewelry and other clothing vendors. (Friday-Sunday)

Kids can become an astronaut (for a day) at the opening of "Beyond Planet Earth: The Future of Space Exploration" at the American Museum of Natural History. This exhibit presents a recreation of Mars' surface, equipment from past missions and an explorable lunar habitat. (Saturday-Sunday)

It's time for trains, trees & treats during the kick-off weekend of the 20th Annual Holiday Train Show at the New York Botanical Garden. Watch model trains whiz by replicas of New York landmarks, which have been crafted out of plant pieces. (Saturday-Sunday)

Angelina Ballerina is back for the opening weekend of The Very Merry Holiday Musical at the Vital Theatre Company. This festive rendition will surely put the whole family in the holiday spirit. (Saturday-Sunday)

Everybody say ewwwww. Become a "grossologist" at the Brooklyn Children's Museum's celebration of slime, IckyFest. Kids can touch creepy, crawly critters and learn the science behind life cycles. (Saturday-Sunday)

Play with puppies and kittens all day at The American Kennel Club's Meet the Breeds event, which will help you discover the best type of pet for your family. (Saturday-Sunday)

It's an Arthur Christmas kind of weekend. On Saturday, attend a 3-D preview screening at the Museum of the Moving Image. Then enjoy the Sony Pictures celebration of "The 9th Day of Arthur Christmas" at the Staten Island Children's Museum on Sunday, which will include sneak peeks of the movie, craft projects and live music by the Wahoo Skiffle Crazies. (Saturday-Sunday)

Support HelpUsAdopt.org's cause by attending the organization's Second Annual Family Fun Day, which will feature a screening of Happy Feet (with plenty of popcorn)! (Saturday)

Put detective skills to the test during the New York City Police Museum's Junior Detective Day. Kids ages 5-14 will solve a mystery using crime scene investigation techniques like fingerprinting. (Saturday)

Join musician Keller Williams for a family concert at the Brooklyn Bowl, which will delight fams with exciting visuals, whimsical songs and a super cool drum circle. (Saturday)

Like words and stories? Attend El Museo del Barrio's Cuentame! Celebrating Oral History  event which will include guest appearances by the Bilingual Birdies and author Quiara Alegría Hudes. (Saturday)

The Morgan's  When Ghosts Pop-Up the Pages: A 3-D Christmas Carol event will allow kids to create their own 3-D cards of Scrooge, Tiny Tim and the three ghosts of Christmas. (Saturday)

This year's Children's Book Fair at the Brooklyn Museum invites kids to join more than 30 BK-based authors and illustrators for a fun day of picture books, graphic novels and games. (Saturday)

Travel to the magical land of Narnia during the Hampstead Stage Co.'s presentation of The Lion, the Witch and the Wardrobe at the NYPL. This interactive performance is perfect for viewers ages 4 and up. (Saturday)

Rest and relax at the JCC in Manhattan's R&R: Shabbat, a free and fun event that includes origami craft projects, circle games for kids, yoga or meditation sessions and a rooftop playground. (Saturday)

Little dancers can learn some Nutcracker-esque moves at the Brooklyn Botanic Garden's  Waltz of the Flowers workshop, taught by an artist from the American Ballet Theatre. (Saturday)

Volunteer as a family with generationOn at PS 166 this Saturday, where you'll participate in hands-on service projects. A holiday meal and live entertainment will be provided. (Saturday)

Children with learning or developmental disabilities are invited to the Met's "Discoveries: Powerful People" workshop, which features an interactive art project and a gallery tour. (Sunday)

Become a "Nessa Groupie" at the 92Y Tribeca  Vanessa Trien Live Concert, featuring feel-good songs performed by Vanessa and her band, the Jumping Monkeys. (Sunday)  

Seven teen comics celebrate the joys of being locked indoors at a kid-friendly comedy show at The Gotham Comedy Club. (Sunday)  

Hear a reading of Eddie Shapes Up at CMOM. Former Mayor Ed Koch, who based the book on his childhood experiences of being bullied about his weight, co-wrote the story with his sister. (Sunday)