2. Terracycle Upcycled Boombox Bring the boombox back! Terracycle's boomboxes are made with up to 80% recycled materials, like the wrappers of your favorite snacks and candy -- Cheetos, Skittles, Starburst and Peanut M&Ms are all available. The boombox has a 3.5mm universal plug so you can jam to your iPod, iPhone or laptop, and no batteries are required. If you're in the market for speakers only, those are available for $13.99.