TODAY

SHAKE IT UP: Known for their spunky, simply titled songs like “Tall” and “School,” pipsqueak-centric pop stars Milkshake bring frothy fun – and free comic books – to the 92YTribeca with an all-ages show. 11 a.m.; $15. 200 Hudson St., at Canal Street; 212-415-5500.

CHILL IN: Since it’s still too cold to hang at the park all day, spend a Free Saturday at the JCC, where an afternoon of indoor activities includes art projects, hula-hooping and play-space access, with a live soundtrack – via Moey’s Music Party – from 2:30 to 3:30 p.m. Complimentary cookies and hot chocolate, too. 2 to 5 p.m. 334 Amsterdam Ave., at 76th Street; 646-505-4444.

TOMORROW

GEORGE & MARTHA: Beyoncé didn’t sing at George Washington’s inaugural ball, but our first president and his lady still got down. See what we mean at the Mount Vernon Hotel Museum’s re-creation of a colonial-era celebration, featuring dance, storytelling and crafts inspired by our founding father. 1 to 3 p.m.; $15 adults, $8 kids. 421 E. 61st St., between First and York avenues; 212-838-6878.

QUEEN OF HEARTS: Puppets and Purim – perfect together. Or, at least, they have been since the 18th century. Keeping the faith is the Czechoslovak-American Marionette Theatre and its “The History of Queen Esther, of King Ahasverus & of the Haughty Haman,” complete with huge papier-mache figures. 2 p.m., other times through March 7; $19 for adults, $12 for kids. The Marjorie S. Deane Little Theater, West Side Y, 5 W. 63rd St., between Columbus Avenue and Central Park West; 866-811-4111.