For basement office: The Pottery Barn-inspired desk below has painted file cabinet bases, which hold the top of a disassembled IKEA Effektiv desk. The result is a charming corner work space. The full tutorial is available at IKEAhackers
You will need thick straws (thin ones work too), small sheets of paper. Using straw players will need to suck the paper sheets and transfer them from one pile to another. Whoever does this first WINS the game.