Woohoo, 600 clean and simple challenges!!!! For CAS600 we are to look back at the other 599 previous challenges. My godson bought a house over the summer, so I needed a happy new house card. I selected CAS350, something youâd see at grandmaâs house. Well, with all the family coming over, youâd see lots of chairs!! I CASEd this card by lotsofstamps: