Cheap$kate: FREE events in NYC this weekend

Game of Thrones Traveling Exhibition
Enter the world of Westeros in this immersive traveling exhibit that focuses on key characters from five of the noble houses in HBO’s hit show “Game of Thrones,” and includes more than 70 original artifacts — such as costumes, props, armor and weapons — from seasons 1 and 2, as well as select pieces from the new season. The Backwater Bay Interactive Experience places you amid the action in the battle and you can also snap photos on the Iron Throne. (Opens Thursday through April 3, Mon.-Fri., 10 a.m.-8 p.m., Sat. & Sun., 11 a.m.-7 p.m., Easter Sunday, 10 a.m.-4 p.m., FREE, 3 W. 57th St., game-of-thrones-exhibition.com)

Science

Annual NanoDays Event
It’s probably safe to assume that you know more about the iPod Nano than you do nanoscience, so here’s your chance to get some schooling. Stop by the SonyWonder Technology Lab with the family to learn about the world of nanoscience through hands-on experiments and exhibits as part of the Annual NanoDays Event. (Saturday, 11 a.m.-3 p.m., FREE, Sony Wonder Technology Lab, 550 Madison Ave., 212-833-8100, sonywondertechlab.com)