Cups / Teapot: Buy big balloons (the ones that are meant to bounce in your hand and put many many layers of paper mache, then paint. The handle is cardboard and paper mache, the spout is a toilet roll tube.
the cake stand: three circles of sturdy card, paper mached and painted. four wooden egg cups painted and stuck in pairs.
buy lots of tea pots from charity shops - fill with soft drinks too.
food (on stand): cheesey hearts, cinnamon 'eat me' biscuits, and pink fudge.
guests (none human) : a door mouse in the teapot, mad hatter (knitted by my mum), white rabbit (with the fimo watch I made) and cheshire cat (from dlrp 2006)
btw the tea pot is FILLED with (wrapped) sweets and chocolate - V. Popular.