It is all animation.You can check online to see or know more about how they do it.You could download several educational apps in your phone.By downloading several education apps on your phone or computer not only helps increase the level of creativity in kids but it helps in deciding their career choice as well.Though this will be too soon for kids this method is better employed for teens and graduates.I used to work as a mobile app developer and I did a course on mobile app development
http://www.cestarcollege.com/courses/technology/mobile-application-developer/ from cestar college.Some of the apps that help in encouraging observation and reflection in kids are the evernote and momentdiary.The electrical brainstorming process allows more time to process suggesstions and contribute your ideas for a safe backchannel.