Calming jar-tell child that they need a break and may come back when everything has settled to the bottom - I think I love this idea. Better than a simple time out for temper tantrums. some days I think that I need a calming jar.
Frees up space on a work table. When students finish their work place it in the wall basket. Organize your classroom by Smedley's Smorgasboard of Kindergarten! Stick command hooks on your wall and attach baskets to them.