About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface. Take a look at how colorful life under the sea can be. Learn more about these popular crustaceans that some think of only as a meal. Find out the sizes that these sea creatures are capable of attaining.
Steps. 1  1. Place a dispenser down, and a wooden pressure plate in front of it. 2  2. Connect the dispenser and the pressure plate with redstone. 3  3. Invert the signal by using a solid block with a torch on the other side or on top of the block with redstone going into it.  4. Place a big stack of items in the dispenser.
Redstone Repeater. Redstone Repeaters can extend the current of a redstone wire beyond the 15 block limit, or to delay the incoming signal. The repeater also acts as a delay. The switch can be toggled by clicking it and has 4 settings: 0.1 second delay, 0.2 second delay, 0.3 second delay and 0.4 second delay.