Skywalker Trampolines 15-Feet Round Trampoline and Enclosure with Spring Pad. Assembled Dimensions: 15 ft X 15 ft X 9.5 ft.Click to see full answer. Keeping this in view, what size box does a trampoline come in?Trampolines come in several sizes, and they usually range between 8 ft to 15 ft. In fact, full-size, outdoor trampolines are often more than 12 ft. Smaller ones (8 to 10 ft) can fit in three boxes while larger ones can take as many as five boxes.Also Know, what is the weight limit of a 15 foot trampoline? 15 to 16-foot trampoline weight limit The weight limit on a 15 foot trampoline is usually 250 to 450 pounds. Beside above, how big is a 15 trampoline? If you plan to use your trampoline for recreational purposes on a daily basis consider buying 14 or 15 ft round trampoline, 9 x 15 ft rectangular trampoline or 8 x 13 ft large oval spring based or springless trampoline. Of course, size and available place in your backyard also count.Is a 12 foot trampoline too small? 12 Foot Round Trampoline It’s a little bigger than the eight to ten footers but is still smaller than the bigger sized trampolines. Most people would call this a medium sized trampoline. If you decide to break the one jumper at a time rule, then only do so with smaller kids.