It's wonderful to see school's suggesting that student projects be constructed from recycled materials. Parents and students save so much money by doing this, and help save the landfills from filling up.
This piano was constructed by a 12 year-old Middle school student. She used a cardboard food box, recycled paper folded for the keyboard base, unused manicure stickers and ink for the piano keys, and recycled wine corks for the legs. She simply painted it black, and attached the stickers to the keyboard.
It's amazing what kids can do with a little encouragement from schools and parents. This finished school project can be saved or recycled to younger children for doll house furniture.