NASA Exoplanet Posters - Imagine visiting worlds outside our solar system
YouTube Kids - YouTube for the youngins on iOS and Android
Astronaut - You're an astronaut. Click to watch random videos in space.
Hopster TV - Netflix for kids
The Size of Space - An interactive visualization of the universe
KidsBeeTV - Safe Cartoon App for children. Watch popular kids shows Polly Pocket & Pinkfong; Lingokids learning videos & fun cartoons such Om Nom.