One of the most attractive ways to create soft, diffuse lighting also happens to be one of the cheapest and most energy-efficient options out there: LED rope lighting. Rope lights can be shaped to line ceilings or furniture, and they come in many different colors and configurations.
Wind chimes are one of the easiest crafts you could make. They don’t need to be fancy: you just need some materials that dangle and make a nice clinking noise, then you fasten them all to something long (like an old knife) or circular (old embroidery hoops, hubcaps, etc.) and you’ve got a wind chime.