What cat doesnt like to play in cardboard boxes. Heres a cheap solution to a cat tree. Of course, it wont look this nice after my 3 girls get a hold of it.
DIY cat self-petting station. Need: 2 toilet bowl brushes, a board roughly 12"x12", a block of wood 1"x1"x1", carpet to cover the board, guerrilla glue or hot glue, a Staple gun and Spraypaint (optional).