Popsugar Living Shoppable The Best Gifts Under $20 These 51 Fun and Genius Gift Ideas Aren't a Penny Over $20 6 December 2019 by Macy Cate Williams View On One Page Photo 18 of 51 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 USB Heated Mittens They can keep their fingers warm as they work on homework with these USB Heated Mittens ($2). USB Heated Mittens $2 from amazon.com Buy Now Previous Next Start Slideshow ShoppingShoppableGifts Under $25Gift GuideGiftsHoliday