There are 20 redstone creations in Minecraft maps such as TNT traps to airplanes and TNT cannons, basic redstone structures but useful. Some of them can only be built in creative mode (they require command blocks), but most of them build in a survival world.
Cre: Yellow fox
Downloads 20 Redstone Creations
You can get .ZIP file here: Redstone Creations [Redstone]