The History of BOING! Engineering Article for Students | Scholastic SuperScience Magazine
Nonfold Trampoline - TEN-O | ByGMR
Nissen Leisure Limited – The home for all gymnastic and sports equipment.
Nissen Trampolines - Elite Trampoline Equipment - One more refurbished 7x14 Folding Frame completed for one super-happy client! We put a Rebound Products string bed and springs on this frame w/Pad Lifter
Super Mini Tramp with 13mm Web Bed – Nissen Leisure Limited
The Olympic trampoline tradition: Remembering the man who taught the world to bounce | The World from PRX