A trampoline can be a terrific addition to your backyard and there are a variety of sizes and models to choose from depending on how you want to use it. Smaller trampolines are ideal for small children or adult fitness, while larger trampolines are enjoyable for all ages.Look for additional safety features, such as an enclosure, in a children\u0026#39;s trampoline. Accidents can be avoided with the use of a good enclosure that is securely fastened. Safety nets and padding are the two biggest safety elements.Trampolines for kids can be round, square, or oval, but the shape is a personal preference. For backyard play areas, an outdoor trampoline is ideal, but many smaller trampolines made for children can also be used indoors for year-round enjoyment or excersise.