-Spines are also one of the best things to have in a fingerboard park. You can do tons of tricks on a spine, and you could also screw up a lot of times. The easiest way to make a spine is with regular old cardboard. All you have to do is have a peice of plywood around 5 by 5 inches, and aound the width of your pinky. Maky sure that when you tape the peice of wood to the floor sitting upright, make sure it is tight and secure. Then you are ready to add the ramp to each side, just cu the cardboard around 5 inches wide and and 8 inches long so you have spaceto bend and tape to the floor. Tape the bottom to the floor and the top of the ramp to the top of the peice of wood. To cover that up, use a grind rail and glue it directly at the top of the wood. -Table tops, you can't even think of building a skate park with out one. All you have to do is take a small shoe box and tape one peice of carboard to the ground and the other side to the width part of the shoe box. then on the other side make a flat ramp out of wood and tape one side to the ground and one side to the shoe box. By this time one side should be curved nd the other sideshould be flat(the ramp made out of wood). - Quarter pipes are the same as the spine only you build a ramp on one side of the wood. -Well, the honest truth about stairs is that they can be the easiest thing to build and they can also be the hardest. May I suggest that you buy one set of jenga blocks to glue together to make a flight of stairs.  Look at the blue prints below, and you will see how to make a good flight of stairs. NOTE: You can build as many steps as you want by simply making the ramp steeper. Just add the rail after if you want to.
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