you can buy it from home depot but my family had a contractor who worked on my house and we talked to him and they can most likly get it for cheaper or have spare materials laying around that they can give you
the 4 girls i go with are bad......one acctually hits some box's and a rail or two and the other 3....hit a butter box once.....pretty intense she fell off it on her face and got a bloddy nose funny stuff