Wow! So many replies!
I do have a pony-shaped cake pan and could go with that, or the mug as well! And we know someone who might take his miniature pony there for a visit!
Guys, about teachers: yes, go with something practical that they can use. Dry erase markers or erasers or other classroom supplies, restaurant or Wal-Mart cards are all great.
In lean years, we made "mixes" for all our kids' teachers. You can go online and find recipes for kinds like special cocoa mixes that are inexpensive to make and all the recipient does is add water or cookie mixes that require you to add very little or even meat rubs.
Think practical.
signed,
Carnation-- teacher, wife of a teacher, and mother of teachers