LEGO Star Wars 2020 Set Discussion - READ FIRST POST!!! in LEGO Star Wars Posted Monday at 09:52 AM · Edited Monday at 09:53 AM by Renown 6 minutes ago, Sneakguest said: Well then may I ask, what is a good wave and a bad wave to you? It will be more clear if you could give an example on your taste. Of course. I would characterise a good wave through it having contemporary, relevant sets at the time of it hitting retail and potential opportunities for good sets not being filled up with the likes of 4+ and Action Battle sets.