Professional Baseball bats are usually made of ash, although a few players have recently started using maple. Where permitted, bats made of aluminum area used. They typically have a foam core with a rubber grip. At one time they would have a rubber plug in the end, but this is no longer allowed.
In baseball, the bat is used to hit the balls thrown by the pitcher.
Materials used in playing baseball include chalk, plastic, wood, leather, metal, and rubber. The chalk is used to mark the various lines on the field, the plastic is used in helmets, wood is used in the bats, leather is used in gloves and cleats, metal is used for the cleat spikes, and rubber is used for the bases.
You take a wood or metal rod then form it in to a bat shape. Click on the 'How to Make a Baseball Bat' link below to read a simple explanation of how to make your own baseball bat.
DeMarini brand makes a youth baseball bat that is -5 size.
Wood or Metal
A baseball stick.
Depends on the manufacturer Most common is maple wood, which is used by Marruci, Easton, and others. The raw materials are wood. Simple.
Do 30 push-ups before you bat!
Basically, you pick which ever bat feels good for you, make sure that the bat is a good sized for you, and then you are ready to play baseball.
Paper
Probably a baseball bat because the only material is a chunk of wood. (usually ash or maple)
In 'normal use', the baseball bat functions as a lever and not a wedge. Physically speaking, any cone-shaped item such as a baseball bat could be used as a wedge.