Finding an entertainer in Boston has never been this easy.. But why (like 800 other parents in Boston) should you trust Yombu with your special event? Quality Entertainers on Demand We source the best and train the best kids party entertainers in Boston. Your party is in good hands. Quick Booking, All Online Our Uber-like online booking platform means you can find, reserve and pay for your entertainer in less than 3 minutes. What Guarantees do I Get? We are so confident in our services & entertainers that if you aren't satisfied with the service we will give you a refund. Need to make changes, communicate with your entertainer or cancel?