I had written earlier about the idea of Jugaad, the quintessential Indian idea of situational creativity. One of the masters at this is Arvind Gupta. Check out his website for tons of wonderful science toys and experiments that can be made from stuff we typically throw away. Very cool and a critical part of the kind of repurposing of artifacts we need for creative teaching.
Throwaway Technology, playful Pedagogy and powerful Content… who says TPACK needs hi-tech!