MoMA’s design store is a must for design fans, the museum’s stand-alone retail arm assembles an impressive array of contemporary furnishings and gifts, including sculptural vases, clocks, kitchenware and gadgets. This Black Friday (week), from Tuesday November 24, to Sunday November 29, the store is offering $20 off when you spent $100 or more and $40 off when you spend $200 or more online and in stores.