Check out this video tutorial on how to do the manual trick on a bicycle. Watch your instructor go through the basic steps and things to look out for in the manual trick on a bike.
What is a manual bicycle trick? Basically it's just riding your cycle on the back wheel, with the front wheel up. Make sure you have the proper shoes on to do this manual trick, not to mention all of the safety gear you should be wearing. Then, just watch and learn how to do the manual on a bicycle. Just learn how to be a BMX master.