I purchased a set of Anderson blocks for my Micro Minnie 1800BH, but when I first tried them they were too large for the space between the wheels. I had to return them but purchased the camco curved levelers (https://smile.amazon.com/dp/B0751TG8MH/
). They worked just as expected.
I also have 3 sets of the lego like blocks, that I used once. It took me like 10 minutes to level my trailer, as opposed to the 4 that took me with the curved ones.
Really can't suggest one against the other. But now that I have the curved levelers I used my lego like ones to support my stabilizers and my jack