Etan Hi-Flyer 08ft In-ground Trampoline – green. This small Inground trampoline from the Hi-Flyer series is a wonderful addition to your garden. Because of its small size it can be placed almost everywhere, so that children with a smaller garden can also enjoy trampolining. This trampoline has a competitive price-quality ratio and is unique in its kind with its 1,2 inch thick safety pad. For extra safety you may consider adding a safety net.