Bouncing structures, also called Moonwalks or Joy Jumps, are very popular at carnivals. You can buy a structure or they are available to rent from party suppliers.

Check your local Yellow Pages (usually listed under Party Rentals) for a rental company in your area. As with any rental, ask for, and CHECK references. Make sure the company has a good record for showing up on time and maintaining the equipment well.

Be sure to ask how many children can go through in an hour. You don't want to have a long line and frustrated children (and parents!).