This is a terrific outdoor activity for little kids. I have 3 1/2 year old twins and a 2 year old, and it's perfect for their size and age. It is big enough that all 3 kids can jump in it at the same time without running into each other. It's really the perfect size--big enough for 3-4 small kids, but it's surprisingly lightweight and easy to fold up, move, and store (we keep it in our garage). It's been worth every penny--which, FYI, this same product cost $50 more at a major toy store. It's been great!