DIY Two Versions Felt Cloud Mobile Using Buttons or Sequins. I always love tutorials from Bugs and Fishes because they so detailed from templates to instructions and are perfect for beginners. Tutorial and templates from Bugs and Fishes here.
DIY Wood Veneer Pine Forest Tree Mobile. Simple if you have the materials. There is a link to veneer woods, but there must be something cheaper out there! Tutorial from You Are My Fave here.