YouTube Kids - YouTube for the youngins on iOS and Android
MODI - Create anything you want with robotics of things
Learney - Knowledge aggregator for developers
Bitsbox - Monthly code projects for kids
Cubetto - Cubetto is the friendly wooden robot that will teach your child the basics of computer programming through adventure and hands on play. Montessori approved, LOGO Turtle inspired.
Ara The Star Engineer - a STEM book on a mission