Recycle crayons into candles! melt them down, poor them into a bottle cap with a wick inside, and add a few drops of essential oil (optional), then voila! Plus multiple other cute ways to recycle crayons in ways I never heard of!
HALO is a socially sustainable home for four students, running on renewable energy from the sun. Over 25 students, Team Sweden, from Chalmers University of Technology in Gothenburg, Sweden designed and built HALO as their entry into the Solar.