The author posted this great idea of a calming caddy. It is filled with different sensory objects to help students calm down when getting frustrated. She includes things such as stress balls, calming glitter jar, play dough and notebook and crayons.
Calming Caddy/Sensory Break I did something like this for a student a few years ago who worked for little breaks where he chose from a box of activities similar to this. Crayons & Lesson Plans: Search results for calming caddy