
Imagination Prompt Generator is part of the Creativity Portal which offers ideas for free creative projects. Most of the project ideas in the kids section of the Creativity Portal are appropriate for elementary school and possibly middle school age students.
If you're looking for more writing prompt resources, consider The Story Starter and Writing Fix.
Applications for Education
The Imagination Prompt Generator and the Creativity Portal are good resources for teachers looking for fictional writing ideas or classroom projects. The only drawback to the Creativity Portal is the poorly placed advertising might be a distraction for some students.