Anyone who is anyone can enjoy playing on this type of product without any prior skills. Now, understanding safety is going to be important for your little ones but that has already been drilled into your cranium by now. But, with that being said, they also need to understand that they will not be able to immediately pull off crazy stunts and flips with ease. However, this goes back to safety so granted you teach them the right way, you should have very little to worry about.
In terms of skills, though, just let them go out and have a good time as that is the entire point of a bouncing apparatus such as this.