Few teachers find themselves with the support to purchase all of the materials they ideally need to supply their classrooms. Buying one or two simple, ready-made items can put a serious strain on anyone's budget. However, materials for science in the classroom need not be prefabricated or expensive. By looking at the function and purpose of any piece of equipment, a creative teacher can find a suitable replacement for many pre-made science materials, sometimes from the most unlikely places. In this article, you'll discover how to turn someone else's "junk into your treasure" by using resources from your local recycling center.