A 3D walk through the second Beis Hamikdash, built from Maseches Middos, with a guided tour. For ages 6–15. Try it here in your browser (taster); every level is in the app.
Walk Through the Beis Hamikdash is one of the games for kids in Playtime613. No ads, no chat, nothing to sign up for. The Playtime613 app for Windows has every level of every game, a profile for each child, parent controls, offline play, and you can set it to lock on Shabbos and Yom Tov.