Ice bottle cooler -- Neat idea for parties -- if using non-alcoholic beverage be sure to watch out for freezing too long with the beverage in the container itself. Need to have to keep it weighted down in the form as it freezes the surrounding ice cooler
For an engagement party, couples shower, or wewdding: Have each guest write down one date that cost money and one free date. Put them in a cute box and then the couple has ideas for their first year of marraige!
to kinda go with your wine/drinks idea during the party - Cute idea for an engagement party Spray wine bottles with chalkboard paint, make a slit in the top of the cork for a paper clip & display engagement photos of the couple