Lovely Craft — Piston Trap 30 Top
Player rides a minecart over a powered rail. The rail sits on a piston. Triggering the piston moves the rail sideways, ejecting the rider into a cactus pit. Defensive (Base Protection) 16. The Drawbridge A 3-wide moat. Sticky pistons hold the bridge blocks. Flick a lever inside your base, the pistons retract, and anyone chasing you falls into the water (or lava).
Build your piston trap inside a mob grinder. Visitors think the noise is mobs. It isn't. It's the floor moving them into the drop chute. lovely craft piston trap 30 top
A hallway of four pistons. When the player reaches the middle, all pistons fire, swapping the walls and floor. They get turned around 180 degrees and walk back where they came from. Player rides a minecart over a powered rail