I own a educational game company. Long story short: it doesn't sell. At my company we identified, at least if your target is kids, two ways to sell edu games. 1. Sell them to institutions, like governments, schools, companies, whatever. Thing is, the features they look when choosing a game to buy, are ones most likely to make the game unfun, the end result is often boring stuff noone WANTS to play. 2. Sell them to th…
We also tried to make educational games and came to a similar conclusion. The truth is, kids (or adults) don't want to play "educational" games. They just want to play fun games. And, let's be honest, games that try to teach you math or science are just not as fun as Fortnite or Minecraft. Now, you can make the case that some games are educational by mistake. Like Minecraft, Age of Empires, Sim City or Kerbal Space P…
And as a "video game"-like free alternative to 'real Lego' there are LeoCAD app + LDraw Parts Library, which are suitable for creating 'digital Lego' models by kids.[0,1,2]
[0] https://github.com/Symbian9/AWESOME-LDraw