Do you want them to hug a guy they like? Say hello to that cute older boy? You can write almost anything. Also, think of a time in the future (two or three hours gives the victim to most suspense to find out who they have to talk to.) Just make sure the time isn't too far in the future. Everyone has a limit as to how long they can wait. Most people will appreciate you asking them if you can zap them, but you don't have to if you don't want to. Write what time it has to be before they can look at the zap (or find out who's on it) without having to do what it says. For example: 2:00 For example: Hug For example: Bob in Social Studies (you could also write the last name, instead of what class they share with the victim.)
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One-sentence summary -- Find someone to "zap". Think out what you want to zap them to do. Approach the victim. Write zap in all capitals on the back of your victim's hand. Write what they have to do. Write down who they have to do it to on the palm of their hand. If you get zapped, don't look at the palm of your hand before the designated time or let people tell you who's on your hand unless you think doing what's on your hand isn't that bad.

Powered Rails are special Rails that can propel a Minecart, and are essential for large track networks or other complex track creations. With Powered Rails, you can create a launcher that blasts the Minecart off at high speed, you can build tracks that automatically take you back to the surface, and much more. Powered Rails require six Gold Ingots, a Stick, and a Redstone. Place the Gold Ingots in the left and right columns like the Iron Ingots for a regular batch of Rails. Place the Stick in the center, and then place the Redstone in the bottom-middle box. This will produce a stack of six Powered Rails. Powered Rails need to be activated by either a Redstone Torch or a Lever. The main function of a Minecart is to get you and your supplies to different areas of your mine quickly. If you're actively mining or building in an area, a network of Minecart tracks can help you move between the different areas much more quickly. One Powered Rail can propel a Minecart for 80 tiles on a flat plane. Placing a solid block behind the powered rail will create a launcher that can propel your Minecart forward away from the block. Stack a few Powered Rails at the start of the launcher to give your cart a big boost. Placing a Powered Rail every 38th piece of track will keep your Minecart moving at nearly top speed indefinitely. You may need to play around with the spacing of your Powered Rails depending on your inclines and speed needs. A popular use of Minecarts is creating rollercoasters. YouTube is filled with videos of Minecraft rollercoasters, and there's a lot you can do to make yours exciting and unique. When a Minecart leaves the tracks, you won't take any fall damage if it lands back on tracks. Use this to your advantage to create crazy jumps and drops.
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One-sentence summary -- Learn to take advantage of Powered Rails. Use Minecarts to speed up your mining activities. Build a launcher and keep your Minecarts moving. Build a rollercoaster using a combination of slopes and Powered Rails.

You can keep your saved worlds if you plan on reinstalling Minecraft later. Press Win+R, type %appdata%, and press Enter. Open the .minecraft folder. Copy the saves folder to another location. When you reinstall Minecraft, you can copy the folder back. The newest versions of Minecraft can use a traditional Windows installer, which adds Minecraft to the list of programs you can uninstall through the Control Panel: Click the Start menu and select "Control Panel". Windows 8 users can open the Charms menu, select "Settings" and then "Control Panel". Select "Uninstall a program" or "Programs and Features". This will load a list of programs that are installed on your computer. The list may take a few moments to load. Select Minecraft in the list. If Minecraft is not listed here, move on to the next step. Click Uninstall and follow the prompts to completely uninstall Minecraft. Win+R to open the Run box. You can also click the Start menu and select "Run". %appdata% and press Enter. This will open the Roaming folder. .minecraft folder to the Recycle Bin. You can also right-click it and select "Delete". This will completely uninstall Minecraft.
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One-sentence summary --
Backup your saved games (optional). Try uninstalling Minecraft like you would other Windows programs. Press . Type . Drag the .