Our most popular package with all Large Knockerballs (our most versatile Knockerball size) Works for all 8 years old to 6 foot tall. Don't have young kids or large adults playing, then this is the package for you. Great for most birthday parties, team or school events. (*up to 10 ball rental, 25 players maximum, up to 20 ball rental 50 players maximum. Space should be at least 40x40 ft on grass, carpet or court flooring without obstructions, 16 and 20 ball rentals require basketball court sized x2 or soccer field sized space)