Model Number: FN-T-001-#9627 Brand Name: VIctbull sport Key Specifications/Special Features: Product feature:Simple assemble, don’t use any tool to assemble;Its very safe by children;Its very light to move by person; when need or not, its very simple to move it.Its very important for children to climb trampoline without adults.12ft,14ft,15ft trampoline usually have 76cm, 89cm height suitable for this 3 step-ladder, if you or your children need, please contact us in time!