The first of the four weapons is the bo-staff used to spin quickly to confuse your enemy and then strike quickly.
Image courtesy to http://www.sakuramartialarts.com
The second of the four wepons, the nunchucks is similar to the bo staff used to spin quickly and in an x pattern. This wepon was used a lot by Bruce Lee.
Image courtesy to Wikipedia
The third of the four is the ninja star used to attack from range with great accuracy and speed.
Imagine courtesy to David Peters
The last of the four wepons is the katana a long sword ment for quick slices rather then stabbing.
Imagine courtesy to Jake Taylor, James Lodge and Ethan Walker