Ideas with Redstone

When both inputs are on, there is an output.

A simple TNT trap.

This modified type of fireplace has a lighter and an extinguisher with a maintenance mode. So you can sit back and relax and press a button to light the fireplace and at the same time but also extinguish and bring into maintenance mode to refill the launcher with the fireballs.

A Dive Coaster is the perfect roller coaster in an amusement park/theme park

A fireplace with a redstone starter in a compact design.

A small working detail for a study.

I have recreated an Ikea in Minecraft. In the picture you can see it from the outside.

This elevator flings you up to the next floor. A block of slime is used for this.

This is a further development of the frame lock from xxluke. Basic idea and idea are therefore not from me!
The reason for the further development was the fact that this lock is easy to pick.

This is a larger harbour fortress designed to provide a safe berth for merchant ships in particular.