Water trampolines have springs held by a metal frame. The frame and springs lay on top of a large inflatable tube. The tube is anchored with a rope, so the range of motion is limited. There are various sizes of trampolines. There are some as large as 25 feet! That is a lot of space for a lot of fun. The measurement includes the tubing, so the jumping surface is closer to 17feet. Most are round, but you can also find square models. Continue reading →