Cool redstone creations

[ivorybloodsh3d]

Does anyone know any quality redstone creations. I know locks, canons, machine-guns, elevators and farms. But is there any other cool redstone creation that, preferably easy for survival (mostly kiwike)

[guthriearmstrong]

Traps? If you have the right timing and water padding, it'll safely do damage to them.
Top it off with cacti, and trespassers are pretty much dead.

[Smythie]

If you hook up redstone to water and cacti it automoaticaly killes everyone

[sethd13]

if you make a redstone square 64 by 64 on obsidian blocks and you power it it kills whatever is in it. only works in survival

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it'll safely do damage to them.

....

[guthriearmstrong]

if you make a redstone square 64 by 64 on obsidian blocks and you power it it kills whatever is in it. only works in survival

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it'll safely do damage to them.

....

That's really, really hard to believe.

[Gunther]

I'm unaware of the exact construction, but an assembly of sticky pistons, water, and lava can create an infinite cobble factory. Slime is usually hard to come by, but it someone should be able to sell/give some to you.

[guthriearmstrong]

Obsidian generators are also nice constructions.

[partyars]

http://imgur.com/a/1bjBB

This is by far the awesomest kind of grief I've ever seen.
Warning, Not for use on kiwike. Perhaps small ones are allowed with a valid reason but contacrt a mod first and don't overdo it.