I need one of these so badly! Searching Amazon came up with nothing even close. I have a rolling cart with 3 levels but, with a toddler in the house, this would be SO helpful for homeschooling supplies. It would take her a bit longer to get in to something like this.
If you scroll down a bit you'll see an embedded video titled, "A Handy Bin for Materials." The amazing bin is featured starting at about 0:50
https://gravitaspublications.com/get...als-do-i-need/