Ceramic tiles: Often these are samples which have been retired from lineups at local stores. Sometimes they are leftover from homeowner or contractor projects. I use a lot of these in my Etsy store to make rubber stamped necklaces. Here I have made a mosaic fish:
Leather scraps: These are often samples from furniture stores. This Valentine's day ornament features a dog die cut from a leather scrap. The wood heart and yarn trim were also from Leftovers.
Here are some items I made from scrap acrylic:
Not only do I find supplies at Leftovers, I also donate items to them. I keep a separate box in my kitchen for items heading there, such as paper towel rolls, old light bulbs, yogurt containers, and anything else I don't need that someone else might be able to use. I love being able to keep things out of the landfill.