Here is how I store my Math Work Station tubs.  I have a pocket chart where each tub number is listed along with 1-2 students’ names.  They find what number tub they are working with that day and then find it along this shelf.  Because the tubs get put back in a different order each day, the children have really done a great job on learning how to recognize the number that they need each day.  I got these tubs at Wal-Mart for about $3.50 each.  It was about $40 for all of them, but they will last a long time and are the perfect size!  I think they are those double wide shoebox sized ones:

I have the tubs stacked two high…not to tall for a Kindergarten student to reach, but tall enough that they can see all of them at once over the heads of everyone else.  In another life, I will clean out the shelves below so that they can sit there, but for now this is working just fine!

Kristen 🙂