You have to use a piston to push the minecart and rail onto the correct block, by doing it this way you won’t trigger the tnt.

abfielder 22nd Jun 2023 08:53

This tunnel bore will not work in its current condition. It already has the tnt primed and this will explode as soon as you either place the minecart or the tnt

DylanPavka 22nd Jun 2023 03:03