Pump It Up/BounceU | 1,614 followers on LinkedIn. The best kids'​ birthday parties on the planet | Put simply, we exist to party. We focus on delivering the absolute best kids'​ birthday parties on the planet. We do this through our Pump It Up and BounceU franchises, which are leaders in the kids'​ entertainment industry with more than 60 franchise owners and nearly 70 locations in states across the country.