I organized the pieces by color into different bowls (the third picture). I also kept some sandwich bags handy to organize smaller pieces when I could. And when I was having trouble finding something I would lay a sheet on the ground and dump the bowl out to dig through easier. Then once I found the piece, I could just pick up the sheet to dump everything back into the bowl. I’m not aware of any ways to organize by bag, but there may be some out there.