Don't overfill because you want it comfy. It is so light that I know my favorite 2 year old will have no problems dragging it around the room. From cutting the fabrics, to sewing and filling it up - 4 hours in total over 3 days spread out. At no time was I rushing through it.
On a side note, for the next one I make - I will line the top and bottom circles as well using a serger overlock stitch. If the child is not inclined to eat the beans, a zipper could go in the side seam. Just stray thoughts as I was sewing this up.
Start sorting your patterns as we will organize those next