This can be used to make an easy and inexpensive back to school gift for your students that is super cute!
I bought a 24 pack of bubbles in the party section of Target/Walmart.
See my blog post about this at: First Grade with a Cherry on Top
for more ideas and pictures
*Update* Due to some sweet requests I have updated this to have different colors that match the bubbles and now included a "we've" option for co-teachers and/or teachers with assistants.