Trampolines provide hours of outdoor amusement
Kids love to jump, whether it be on your bed, on the sofa or on a trampoline, a trampoline really is the most enjoyable and acceptable 
jumping platform.
Kids jump because its fun, a garden trampoline gives them a safe place to jump (assuming it’s set up correctly), and gets them out of the house and playing outside in the fresh air.
Trampolines come in a variety of sizes, which can be a major help when you start looking at trampolines. When surveying your garden, you may think, "Where would we put it," but there are many different sizes of trampolines, and you can get them in circular or rectangular shapes, so it may be easier to find a place to put a trampoline than you expect.
If you’re putting a trampoline in your garden, you should also consider using it yourself for exercise (weight restrictions apply). Learning to jump effectively on a trampoline, and using it for cardiovascular and lower body workouts, will provide you with a great, fun way to work out, in the privacy of your own garden, it also allows you to do something fun with your kids and spend time together outdoors.
A trampoline can provide both you and your kids with hours of fresh air fun. If you put up a trampoline, you can almost guarantee that your kids will want to spend time outside jumping, more than they want to be inside watching television or playing on their computer. They’ll have lots of fun, you’ll have a great time watching and even jumping with them, and you’ll get the most return on your money of any entertainment item you buy for your kids. Overall, there is very little you can do for your kids that they will enjoy and use as much as a trampoline.