The POOF-Slinky 0C8428BL POOF Over The Door Original Boom Ball Basket Boom Basketball Hoop Set is an easy to assemble basketball rim, backboard and net that hangs over your door to provide a new, loud twist for ultimate slam-dunk competitions or casual jump shots at the office. This backboard is made with Boom Ball technology that makes each basket loud and fun. Show your skills as you dunk over your opponents. Made of lightweight foam, the yellow basketball measures 4-inches in diameter and is safe to use indoors. Since the hoop is lightweight, this set can be moved from door-to-door, stored when needed or taken anywhere you go. All you need is a door to experience thunderous BOOM basketball action. POOF’s Over The Door Original Boom Ball Basket Boom Basketball Hoop Set has an 11-inch by 9-inch backboard and includes a hoop, net, foam basketball and door hanger. POOF continues to be the leading manufacturer of foam sport balls and a frontrunner in flying, water and activity toys that create lasting childhood memories. The POOF-Slinky 0C8428BL POOF Over The Door Original Boom Ball Basket Boom Basketball Hoop Set is recommended for children 6-years of age and older. POOF-Slinky is the manufacturer of the world famous Slinky and the top selling POOF foam sport balls in North America, both manufactured in Plymouth, MI and Hollidaysburg, PA. Ideal and Scientific Explorer are other well-known brands, rounding out the POOF-Slinky family. With roots in the toy industry for over 100-years, POOF-Slinky brands continue to grow and broaden. New generations of kids, their parents and grandparents have proven that classic toys never go out of style!