I wish I had kept my old crib mattress! What a great idea crib spring memo board. Turn an old crib spring into a cute memo board with some spray paint. This article has tons of ways to reuse old Cribs.
Make a Stool Using Old Magazines, Two Belts, and a Pillow. We all have a old magazines and belts.
DIY modern metal firepit / Morgan Satterfield, The Brick House