$20 off the Bin from costco I found its one the best step ones that is a decent size and cheaper than the amazon bins of similar but not better build
I had one previosuly that lasted 4 years until my son was old enough to stand on the step and hold the lid down to break the hinges.
I believe it will be available at other costco warehouses as well.
I picked one up earlier today. So far it works nicer than the brabantia one I had for double the cost