Kids birthday packages Nairobi, Birthday party planners Nairobi, Bouncing castles for birthday At Joy Bouncing Castles, we know that birthdays are milestones worth celebrating in style. That’s why we offer carefully crafted birthday packages designed to fit different budgets and preferences. From colorful bouncing castles to music, décor, and entertainment, we take care of everything so you can sit back and enjoy your child’s big day. Here are our exciting birthday packages: