CUTE! Water bottle with a packet of Crystal Light placed in the tag/pocket. "Thanks for quenching the thirst for knowledge!". This would be really cute for the teacher snack cart at Parent Teacher Conferences.
Teacher Appreciation Gifts for the kiddos to bring to their teachers. "Bottled especially for Mrs. T"... Stuff an empty 2-liter bottle (pinata style on the side) with gum, hand lotion, gift cards, etc, and wrap the label around the bottle to cover the pinata hole. Cute!