This Weekend’s Events and Sales: Meet Jewelry Designer Monique Pean at Barneys; Buckler’s Sample Sale Extended

• Meet designer Monique Pean and preview her spring collection of environmentally friendly jewelry at Barneys. 660 Madison Ave., nr. 61st St. (212-826-8900); noon–4.

JNBY is holding a kid-friendly party to celebrate the launch of their new childrenswear line in partnership with Planet Awesome Kid. There will be food, music, and treats, as well as a photo competition for a $500 gift card to JNBY. 75 Greene St., at Spring St.; (212-219-2529); 2–5.

• Shop the spring collection at the newly opened LOFT store in the Flatiron District and receive 30 percent off. The first 500 customers spending $75 or more get a free tote bag, and from 12–5 there will be live music and Baked by Melissa cupcakes. 156 Fifth Ave., nr. W 21st St.; 10–9.

• Sunglasses and optical frames are up to 50 percent off at the Robert Marc eyewear sale. Various hours and locations.