The Springfree™ Trampoline was designed by New Zealand engineer Dr. Keith Alexander, at the University of Canterbury. After more than 15 years of injury prevention research, the design was commercialized in 2003 and is now sold in 15 countries. Springfree Experience Centres Melbourne: 672 Warrigal Road, Oakleigh South VIC 3167 Opening hours: 9:00am-4:00pm Monday to Friday 10:00am-4:00pm Saturday & Sunday (Closed public holidays)